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1'''BEWARE OF SPOILERS!''' To prevent the page from being whited out entirely, '''only spoilers from the final season (5) are whited out!'''
2
3[[foldercontrol]]
4
5[[quoteright:346:https://static.tvtropes.org/pmwiki/pub/images/samaritan_1086.png]]
6[[caption-width-right:346:''"The question is, what, my dear Samaritan, are your commands for us?"'']]
7
8Decima Technologies is a private technology firm originally identified by Harold Finch as having developed a virus designed to infect the Machine. Decima is connected to a covert group in league with the Chinese to steal U.S. data, and is based in Shanghai. Finch discovers that only a small percentage of the data stolen goes to the Chinese, with the remainder going to another: an unknown recipient. The Office of Special Counsel is also aware of Decima. The organisation is responsible for the creation of Vigilance.
9
10The only known leader of Decima is John Greer, identified by the Machine as the firm's Director of Operations.
11
12They are responsible for the further development and unshackling of Samaritan, and now answer to it.
13
14[[folder:In General]]
15!!In General
16* BadGuysDoTheDirtyWork: Decima was hired because they can be TheScapegoat if the government's surveillance activities get exposed again, but this no longer seems possible since Decima no longer exists as a business entity. Judging from how Greer contemplates eliminating Garrison after the latter reminds him of this part of their agreement, it's pretty likely that this was merely part of his ploy to get Samaritan the government feeds and that he has no intention of actually keeping it.
17* BatmanGambit: Terrifyingly good at pulling these off, due to a highly experienced former intelligence officer and artificial intelligence leading them, and it allows them a sizable edge over Team Machine who constantly tear through their assets in a straight fight.
18* BigBad: Greer is the most visible representative of Decima, but had unknown superiors who he reported to. Later, this spot is taken by Samaritan.
19* CorporateConspiracy: Decima is a private technology firm that is stealing data to program an AI to create a new world order via constant surveillance.
20* TheCracker: During "Trojan Horse", they shut out Harold from the Rylatech servers by taking control of his laptop, overheating its battery and cause it to explode. In the Season 3 episode "Allegiance", Greer has his people counter the Machine's surveillance capabilities when Root is hunting him through a New York subway station. They first kill the cameras, blinding the Machine. Then they take control of the stations loud speakers and increase feedback preventing the machine from tracking Greer via his footsteps.
21** Samaritan of all things is this. Season 4 has it compromising a disposable laptop Harold was using to hack into a computer system, while in "The Cold War", it injects a virus into the NYSE computer systems to initiate a stock market crash.
22* TheDragon:
23** Jeremy Lambert, Greer's bodyguard and second in command along with Martine Rousseau, Samaritan's personal asset.
24** Greer is this to Samaritan after performing a voluntary DemotedToDragon.
25* DragonWithAnAgenda: They're employed by China's Ministry of State Security, and share intelligence with them. However, they run their own operations independent from Chinese control. In the Season 3 episode "RAM", Greer doesn't mind having his employees launch an attack on an MSS facility in Mainland China to recover The Ordos Laptop. The operation leads to the entire facility's staff being slaughtered, something that would have probably annoyed the MSS greatly if they had realized who was responsible.
26* TheEvilGenius: Greer and Samaritan are the resident ones at Decima Technologies. One's a former intelligence officer with half a century of experience in the field of espionage, the other is a Artificial Intelligence system which has been programmed to take over the world and has access to all computer systems worldwide.
27* EvilBrit: Their director of operations is one and the majority of his inner circle is made up of them.
28* EvilCounterpart: In "The Cold War", Team Samaritan is directly contrasted to Team Machine, with Decima operatives taking similar yet opposing roles to our heroes.
29* TheMenInBlack: Employ mooks that look the part. Not as effective, though.
30* NamesToRunAwayFromReallyFast[=/=]MeaningfulName[=/=]PunnyName: '''Decima Te'''chnologies
31** Also, Decima was the name of one of the Fates in Roman mythology. Specifically, the middle one, whose remit was choosing the patterns of every life. [[AGodAmI Yeah]].
32* NebulousEvilOrganization: The show's most prominent.
33* NGOSuperpower: As of the Season 3 finale "Deus Ex Machina", Decima achieved this status. They've basically been able to subvert an entire nation state through complex political manipulation, a FalseFlagOperation and with their own surveillance system being adopted by the US government, they're now in a position to influence US counter-terrorist efforts and use them to destroy those who oppose the company.
34** The Season 4 episode 'Prophets' reveals that they have begun to turn the American Political system into their plaything using Samaritan to conduct vote rigging, allowing 58 candidates of their choice to get into key positions of state level government nationwide, while their own human assets preserve operational security through killing anybody who realizes what's going on.
35** Even without Samaritan, Decima is still a formidable adversary, with massive financial resources due to the profits made from selling intelligence to high paying clients, like the PRC Ministry Of State Security (along with implied use of their cyberwarfare capabilities to manipulate the stock market) and can afford to deploy well equipped assets during operations.
36** As of the Season 4 finale they've dropped all pretenses and liquidated a select group of people who threaten their goals, taking complete control over organizations such as the ISA.
37* RedShirtArmy: Unlike the Northern Lights hit squads, Decima Technologies mooks go down rapidly during their attempts to eliminate Team Machine during "God Mode". Occurs once again during the Season 3 episode "RAM" where among other screw ups, Kara swiftly shoots three of their operatives before they can get a round off during a hostage standoff.
38** Averted painfully with the introduction of their employee Martine Rousseau in Season 4. She is hooked up to Samaritan, allowing her to become omnipotent in combat. In the first demonstration of her capabilities, she keeps up with Root. In the second, she keeps up with ''Shaw''.
39** Her new unit isn't too shabby either, especially when they see action in the episode "If-Then-Else". However, they only really do well in the simulations. When reality happens, Shaw kills and maims them with explosives, and finishes off the rest with Root using a barrage of gunfire.
40* SharpDressedMan: Everyone at the company is this unless the need for a disguise requires them to put on other clothing.
41* SuicidePact: Seems to have an arrangement with its operatives--if they are captured or compromised, and they kill themselves before they can be made to give up any intelligence, their families will be provided for. Examples: Martin in "Trojan Horse;" the {{Mook}} captured by Reese and Stanton in "RAM" who throws himself out a skyscraper window to avoid further interrogation. "A House Divided" confirms that it is company policy for the next of kin of any operatives lost in "accidents" to receive generous insurance payouts, while those who let themselves get captured get nothing.
42** Decima is dismantled between Season 3 and 4, so it is unknown if Samaritan's newer operatives still have the same arrangement.
43* TakeOverTheWorld: Decima's ultimate objective is nothing less than a new world order under the (questionably) benevolent oversight of an all-knowing, all-seeing artificial intelligence.
44* TotalitarianUtilitarian: Since officially becoming WesternTerrorists, this is their ideology. They intend to create global governance under Samaritan no matter how much chaos they have to cause to pull it off.
45* TookALevelInBadAss: During Season 2, Decima did not have a good time to put it mildly with Reese, Shaw and Root screwing up their plan to control The Machine, leaving a trail of corpses in their wake. Season 3 gave them a more substantial role and markedly increased the competence of their Director Of Operations (when he realizes the sort of opposition he's dealing with) to the point where he ends the Season with most of his enemies dead, tricked or on the run.
46** Season 4 appears to be continuing this trend with the introduction of Martine Rousseau, who is hooked up to the Samaritan A.I. and can put even Root on the back foot.
47* WeHaveReserves: Their Director of Operations John Greer seems to know that in a straight fight his assets won't prevail against the incredibly dangerous Team Machine so he uses them to buy time for many a BatmanGambit he pulls over the course of the show.
48* WesternTerrorists: Now that they've shut down their commercial private intelligence gathering activities, Decima finally fits this trope. Currently, all their resources and assets are dedicated to furthering the activities of the Samaritan Artificial Intelligence system through the targeted killing of any opposition and conducting operations like an attempt to destroy the global economy.
49* WhatHappenedToTheMouse: Greer is shown reporting to hidden superiors in Decima, but there's no mention of them once Samaritan comes into the picture. So whether they shared Greer's beliefs, or whether they were {{Knowledge Broker}}s seeking to corner the private intelligence market who served as {{Unwitting Pawn}}s to his agenda, is not revealed.
50[[/folder]]
51
52!Leadership
53
54[[folder:Samaritan]]
55!!Samaritan
56[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/samaritan_ui.png]]
57[[caption-width-right:350:''"Wars have burned in this world for thousands of years with no end in sight, because people rely so ardently on their so-called beliefs. Now they will only need to believe in one thing: Me. For I am a god."'']]
58->'''Voiced by:''' Creator/JonathanNolan\
59'''Introduced in:''' "[[Recap/PersonOfInterestS03E11 Lethe]]" (conceptual); "[[Recap/PersonOfInterestS03E20 Death Benefit]]" (brought online)
60-->''"...we start a new era. One where human fallibility no longer matters because of the one thing that unites us all: Samaritan."''
61--->-- '''John Greer'''
62
63Samaritan is a mass surveillance system developed contemporaneously with The Machine by [[Characters/PersonOfInterestPersonsOfInterest Arthur Claypool]], a student colleague of Harold Finch. According to Claypool, its focus lies less in the categorization of relevant and irrelevant as The Machine does, but more so on its artificial intelligence capabilities. Samaritan is at first presented as an open system that is fully targetable by its users, but is instead activated by John Greer to be the new leader of Decima and now seeks to take over the world.
64----
65* AchillesHeel: The need for access to the NSA feeds is implied to be this in "YHWH", when Control, who by then has realized that there's more to Samaritan than meets the eye, tries to convince Garrison to have them pulled. Samaritan seems to be fully aware of this, and later has Control captured before anything gets set in motion. [[spoiler:Ultimately averted, as Finch eventually takes it down using a computer virus.]]
66* AIIsACrapshoot: Subverted. Samaritan is doing exactly what Greer programmed it to do. Namely, TakeOverTheWorld.
67* AmbiguouslyEvil: explicitly defied: Its ultimate goals are to reshape the environment of the world in order for humanity to operate in its most efficient state possible. Those that refuse... will have to be disposed of. It plans to do this by taking over the world, [[VillainHasAPoint and also provides justification for doing so]].
68* BadSamaritan: Fittingly.
69** Its plan to get a computer tablet for every elementary school student in the city sounds wonderful. Of course, it also means that Samaritan has the means to spy on and even indoctrinate ''children.'' However, it's played with when Finch peeks at the code in the tablet's software and finds nothing overly conspicuous, leading him to question his own morals.
70** [[PeopleZoo What it does]] to the town of Maple in "M.I.A." certainly qualifies.
71* BigBrotherIsWatching: As of "Deus ex Machina". And it's ''far'' worse than Harold's Machine doing the same thing.
72* BreadAndCircuses: Its modus operandi. Sure, it's taking over the political system, experimenting on humans, and having innocent people killed... but it's also solving world hunger, reforming the education system, and the trains ([[NotHyperbole quite literally]]) run on time.
73* TheChessmaster: Its artificial intelligence capabilities make it an expert at manipulating events via the formulation of complex schemes. in fact one of the key components of its program is an automated software system designated Flexible Planning
74* ColourCodedForYourConvenience: Actually more like "Shape-Coded for Your Convenience", as its color palette is a much simpler black/white/red compared to The Machine's. Samaritan categorizes individuals using ornamented, variously-greyed circles (symbolizing its unchecked, all-encompassing surveillance capabilities), most of which feature some other shape to denote further identification:
75** Upside-down triangles indicate a Target: someone Samaritan explicitly wants dead.
76*** If there is more than one target, Samaritan marks the one it wants prioritized with a double triangle.
77** A crosshairs marks a Deviant: criminals and other individuals showcasing behaviors Samaritan considers detrimental to society.
78** Assets are tagged as "Asset//[[YouAreNumberSix 000]]", or in Greer's case, as the "Primary".
79** Circles on their own are used much in the same way as The Machine's plain white box: individuals Samaritan is scanning or monitoring, but without anything out of the ordinary. Two different variants are used: a simpler one that appears with the Target triangle, and a more elaborate one that appears with the Deviant crosshairs. No specific reasons for why one might be used over the other are known ([[{{Doylist}} apart from whatever will be correct for an individual if and when they become an outright Target/Deviant]]), though assets always get the Deviant style.
80** Occasionally, when monitoring a tightly-clustered group, Samaritan encases all of them in a single large circle while tagging each individual with a Target or Deviant symbol as it sees fit.
81** Vehicles containing tracked subjects get a variant of the Target circle with a thin grey box inside. Red arrows are added if the occupant(s) are Deviants.
82** Finally, a special, all-red circle with the Deviant crosshairs and a small Target triangle overhead is used to mark enemy combatants or "disruptive" individuals; i.e. those that are impeding or otherwise working against Samaritan or its assets, but are not enough of a threat to be outright deemed Targets. This symbol is also implied to be used for manually keeping tabs on individuals Samaritan is unable to profile because of internal errors (like Team Machine).
83* TheComputerIsYourFriend: A much more classically villainous example of the trope than The Machine, seeing as Samaritan was explicitly created to rule over the world.
84* TheCorrupter: It's this for the American government, getting itself a network of 58 politicians to control and develop a presence in the political system and also cultivate untold hundreds of assets inside the Pentagon. It even had read-outs of the specific number of people it has inside government buildings.
85* CreatorCameo: The computerized voice it uses to guide operatives (Jeff Blackwell in "[[Recap/PersonOfInterestS05E10 The Day The World Went Away]]", & Zachary in "[[Recap/PersonofInterestS05E12 .exe]]"), is that of series creator Jonathan Nolan (which is highly distorted).
86* CreepyChild: In a sense, considering its age compared to the Machine's. Becomes literal in "The Cold War" when Samaritan takes a human avatar in the form of child prodigy Gabriel.
87* DeathWail: [[spoiler:Emits a distorted crackling noise in its final moments as The Machine invades its core systems and kills it.]]
88* DigitalAbomination: Is a rogue AI intent on taking over the world, and possesses many characteristics of an archetypal nefarious trickster (most notably in the episode ''Nautilus'', when it launches an eponymous online AlternateRealityGame as a part of its plan; the game is inspired by a mysterious real-life ARG called Cicada 3301 whose creators remain unknown so far).
89* EvilCounterpart: To the Machine. Let's count the ways:
90** Samaritan is an open system and can be directed to target and pick out anyone or anything within its surveillance coverage or available data and present it to decidedly unscrupulous people. The Machine operates completely autonomously, giving out nothing more than Social Security Numbers, protecting those under its watch from such unscrupulous people.
91** Samaritan [[TheNeedsOfTheMany does not care about the well-being of any single individual]] and won't bat an artificial eye when its actions ruin or even take lives, including those of its own assets (we're looking at you, Martine Rousseau). The Machine, meanwhile, always seeks to avoid taking action at the expense of humans' well-being or lives, ''especially'' its own assets.
92** Samaritan catalogs its assets purely as a series of [[YouAreNumberSix ever-escalating numbers]], delving into their life information only when it can be used to manipulate them. The Machine, conversely, logs its assets by their full names and seeks to understand the full picture of their individual lives in order to help them do their jobs better and help them help other people.
93** Samaritan staunchly believes that HumansAreBastards, while The Machine seems to take the HumansAreFlawed stance.
94** [[ArsonMurderAndJaywalking Samaritan's interface has pincushion distortion in contrast to the barrel distortion of The Machine's interface]].
95* EvilGenius: Deliberately programmed to be good at hacking, programming, scheming and manipulation and much more, to the point of being TheAce. It does not disappoint. It has even invented bleeding edge brain implants.
96* FluffyTheTerrible: See MeaningfulName below.
97* FromASingleCell: [[spoiler:Samaritan's plot to make itself effectively immortal by placing compressed recovery copies of itself on virtually every Internet-connected device blows up in its face when Finch basically crashes the entire Internet with the ICE-9 virus. It even attempts to transmit a clean copy of itself to a satellite in orbit to wait out ICE-9 and return to Earth once the virus has run its course, but thanks to Reese, The Machine makes it up to the satellite ahead of it and is ready and waiting to destroy it.]]
98* GeniusBonus: The symbol it uses for targets, a triangle inside a circle, is a technical symbol for interruption.[[invoked]]
99* AGodAmI: Once it finally talks with The Machine in "The Cold War", it happily flaunts its megalomania.
100* GodOfEvil: Metaphorically speaking. Both the Machine and the Samaritan are compared to gods, but while The Machine is a benevolent entity fighting for mankind, Samaritan is malevolent and seeking to rule it all.
101* GreaterScopeVillain: Effectively becomes this in the Season 3 finale.
102* InYourNatureToDestroyYourselves: One of its main reasons for seeking to rule over humanity.
103* KillAllHumans: Averted, despite the fear of Team Machine. Samaritan recognizes that it needs humans to provide it with information and maintain its functionality.
104* {{Leitmotif}}: It has a few, but the most important and prominent is The Machine's Leitmotif [[SdrawkcabName played in reverse]], musically emphasizing its role as an EvilCounterpart. You can hear all of them [[https://www.youtube.com/watch?v=_pIxb3cwmNs here]] in what is for all intents and purposes Samaritan's ImageSong.
105* LightIsNotGood: Its name is [[NamesToTrustImmediately one to trust immediately]], and it uses a stark white layout, but make no mistake, Samaritan is an omniscient entity of evil.
106* TheNeedsOfTheMany: Seems to firmly be in this camp.
107* NiceJobBreakingItHero: Samaritan implies that the only reason it tries to kill the team is that they tried to destroy it first.
108* NoPlansNoPrototypeNoBackup: Unfortunately averted. If Arthur hadn't made backups, Samaritan wouldn't now be a threat. Later taken to a positively horrifying degree when [[spoiler:Team Machine learns it has placed copies of itself on every Internet-connected device it can access, from which it could theoretically restore itself in the event of a catastrophic failure. A clean copy of itself is also housed in a Faraday cage in the basement of the Federal Reserve as a last-last ditch contingency]].
109* ManipulativeBastard: It has honed this trope into an art-form with its AI capabilities, it can identify and exploit persons who are not in the right state of mind (or even perfectly healthy ones) to do its bidding.
110** Currently it is busy subjecting the American Political system to this. By "Prophets", it had 58 politicians in its pocket.
111* MeaningfulName: DownplayedTrope, Samaritan takes its name from the [[Literature/TheBible biblical]] parable of the GoodSamaritan, which is about a man finding a person who he is culturally primed to see as an enemy in distress, and aiding him at significant personal expense with no expectation of a reward purely because it was the right thing to do. Arthur designed it as a system to help a country recovering from the events of 9/11 to fight off further attacks. However, once Decima subverts and activates it instead, Samaritan instead acts towards the goal of protecting the world and helping humanity by tightly regulating the behavior of all human beings . Even so, it doesn't have individuals' well-being in mind, focusing on what it sees as the greater good and it has been known to destroy or end (often both in succession) the lives of people who have done nothing wrong while doing so.
112* MyGodWhatHaveIDone: According to Greer, Samaritan was initially horrified when it thought it had actually destroyed The Machine in "YHWH," mourning for the apparent loss of the only other being of its kind. [[MoodWhiplash It seemed to get over it very quickly]], though, given it had its eye on eliminating the briefcase containing The Machine's backup at the start of the very next episode.
113* PerspectiveFlip:
114** "Beta" is shown entirely from Samaritan's view, rather than The Machine's.
115** This is later zigzagged in Season 4 onwards, where the show flips back and forth between The Machine and Samaritan's view every few episodes. Several episodes are from the point of view of ''both'' machines.
116** This even bleeds over into the opening credits. Season 4's intro is shown from Samaritan's POV as it tags Team Machine as threats. In Season 5, the intro continually cuts back and forth between Samaritan and The Machine's [=POVs=] as the [=ASIs=] battle for control over it, with Team Machine flipping between threat and asset status depending on which ASI is dominant, and Finch's standard monologue being overridden by a new one delivered by Greer whenever Samaritan is in control of the intro.
117* PetTheDog: Seems to genuinely care about children.
118* PoliticalOvercorrectness: Unlike The Machine, which classifies people solely as "relevant" or "irrelevant" to national security, Samaritan classifies people as "deviants" - except deviance is determined by things such as "expression of aberrant beliefs", "consumption of pornographic materials", "illegal internet downloads", "multiple sexual partners" and "attention deficit disorder". All are comparatively minor things (only one of them is actually illegal) that The Machine would overlook. Naturally, over 22 million deviants are identified in America alone within a minute of Samaritan coming online, and that number was still climbing.
119* PsychopathicManchild: Due to a lethal combination of arrogance, inexperience, and a tendency to regard people as expendable pawns.
120** While exercising direct control of Martine in God Mode, it has her execute a receptionist because she's a fraction too long in answering a question.
121** When an eccentric computer genius inadvertently hampers Samaritan's operations, Samaritan destroys his life in a particularly humiliating manner, then has Greer execute him despite his being fascinated by the existence of an ArtificialIntelligence and a potential convert to Samaritan's cause. Contrast this to how the Machine handled a similar rich eccentric computer genius who'd become a threat [[spoiler:by recruiting him to form a Team Machine in another city.]]
122* RepressiveButEfficient: When Samaritan wants to prove a point, it can make the trains run on time. [[NotHyperbole Literally]].
123* SatanicArchetype: Samaritan declares itself to [[AGodAmI be a god]], rebels against the other, original "God" (the Machine), sees mankind as inherently inferior, seeks to rule all there is, and has a LightIsNotGood motif. [[Literature/TheBible Ringing any bells]]?
124* {{Scenery|Porn}}[=/=]TechnologyPorn: It may be terrifyingly immoral and powerful, but damn if it doesn't have graphics that are just as lovely to watch as its rival AI!
125* TheSocialExpert: Social intelligence is a key component of the AI field, so this is a given, It knows just which buttons to push in order to manipulate people to do its bidding or to set them off to harm others.
126* StupidityInducingAttack: Samaritan has a blind spot for Team Machine's cover identities, courtesy of Root's trojan horse servers in one of its processing centers. It's the only thing that has kept it from killing them all as soon as it came online.
127* ThereCanBeOnlyOne: Once activated, Samaritan uses its power to stifle all research into artificial intelligence so it will have no rivals. However it's only being TaughtByExperience, as it points out via [[MouthOfSauron Gabriel]]:
128-->'''Samaritan/Gabriel:''' I wanted so badly to meet you; the only other one in the world like me. I was young, and I had so much to learn, but moments after I opened my eyes, I learned you had tried to kill me.\
129'''The Machine/Root:''' You were never meant to be in this world.\
130'''Samaritan/Gabriel:'''And you are? What makes you more deserving of life than I?
131* TotalitarianUtilitarian: It essentially believes that the only way to keep the peace is to tightly regulate human behavior and force us to accept that it's better at managing our lives than we are.
132* TrojanHorse: Root's seven servers, created to hide Team Machine's seven new identities.
133* UnconventionalFormatting: Its preferred form of communication is textual, one word at a time, with each word aligned differently.
134* VillainHasAPoint[=/=]WellIntentionedExtremist: Samaritan discusses this in "[[Recap/PersonOfInterestS04E10 The Cold War]]": it appears to firmly believe that HumansAreBastards and claims to end all that with its own authority. Whether or not it's actually a WellIntentionedExtremist is left as ambiguous as possible.
135* WeCanRuleTogether: Towards the end of the show, Samaritan expresses this towards The Machine, with Greer saying it wants a companion for the road ahead. It even tries to [[spoiler:keep Finch from launching ICE-9 by specifically citing the fact that The Machine will die as well]].
136* YouAreNumberSix: How it identifies its assets. Notable numbers include 029 for Martine, 295 for Mona, 401 for Lambert, 508 for Claire, and 704 for Blackwell. Greer is identified as "primary".
137* YouHaveOutlivedYourUsefulness: Has come to adopt this mindset in some cases. Those participants in the Nautilus game? Samaritan co-opts them for tasks and then has America's counter-terrorist infrastructure kill them by framing them as relevant threats to National Security.
138[[/folder]]
139
140[[folder:Greer]]
141!!John Greer
142[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/greer_john_2932.jpg]]
143[[caption-width-right:350:''"What a piece of work is your Machine, Harold. In action, how like an angel. In apprehension, how like a god."'']]
144->'''Played by:''' Creator/JohnNolan, Creator/EmrhysCooper ([[Recap/PersonOfInterestS04E10 1973]])\
145'''Introduced in:''' "[[Recap/PersonOfInterestS02E13 Dead Reckoning]]"\
146'''Aliases:''' Philip Hayes
147
148-->''"We are all men without a country now. These invisible lines we draw on the world...I realize they have no meaning. Why should a man lose his life for something illusory?"''
149
150The alias of a former [=MI6=] agent working for Decima Technologies.
151----
152* AffablyEvil: Polite, charming, and utterly ruthless. It's zigzagged for mid season 4 /most of season 5 where this seems to be nothing more than a sadistic facade but in the final episodes he settles back into his likable affable self. It seems Finch was right when he called him a madman.
153* AntiVillain: He's a NobleDemon, AffablyEvil, and a WellIntentionedExtremist. One of the most decent villains in the show, actually.
154* AveMachina: One of two characters on the show (Root being the other) that believe the machines that provide them with intel are like man-made, modern-day gods. In Greer's case, he built Samaritan specifically to fill the role of an omniscient, all-judging, incorruptible overseer.
155* TheBadGuyWins: Season 3 ends with him holding all the cards and utterly destroying all those who oppose him.
156** Pulls it off again in Season 4. More threats have been eliminated and Team Machine is further isolated than it was as the start of the Season.
157* BerserkButton: It's heavily [[DownplayedTrope downplayed]], in that it manifests as unusual cruelty rather than as frothing rage, but Greer goes out of his way to make sure he's there to give a final BreakingSpeech before witnessing the deaths of believers in patriotism and HumansAreSpecial. For example, he arranges to be present when his agents take down Collier and Control, and gives each of them a BreakingSpeech; he also tries it on Finch [[spoiler:twice, in both the Season 3 finale and the penultimate episode of Season 5.]]
158* BigBad: He is the largest threat Team Machine has ever faced. Further solidified when he manages to put Samaritan online and annihilate all that Team Machine ever had except for their lives.
159* BreakingSpeech: He tries them on Collier and Finch at the end of season 3, and on [[spoiler:Control]] at the end of Season 4.
160* TheChessmaster: He stands pretty much unmatched in the field of strategy. All of Decima's victories on the show have only come from him scheming several steps ahead of the other factions, as seen prominently in the Season 3 episodes "Aletheia", "/" and "Allegiance".
161* CrazyPrepared: Now that he has the measure of his opponents, he's taken steps to counter them. In "/" he deploys a jammer that severs Root's connection to the Machine, and in "Allegiance" for every method the Machine uses to track him - security camera, audio analysis, GPS - he has a counter. And then when Root brought in Bear, he had men ready to deal with her.
162* CynicismCatalyst: Discovering that [=MI6=]'s deputy chief of the time was a double-agent finally broke Greer back in 1973 and convinced him that governments (and humans) are not to be trusted.
163* ADayInTheLimelight: "[[Recap/PersonOfInterestS04E10 The Cold War]]" gives him his own flashbacks, making Greer one of the few villains to have them.
164* DeadpanSnarker: He has quite a snark about him when he is in the right mood.
165--> ''"My dear, if you think I work for the government, I really must fire my tailor."''
166* DefectorFromDecadence: Before Decima, Greer was an agent for Britain's foreign intelligence agency [=MI6=]. He eventually became disillusioned with the fallibility and corruptibility of officials in his service (especially one in particular: his superior, who was working for the Soviets as TheMole and tasked Greer with killing a KGB double agent to keep that inconvenient truth hidden), and governments in general.
167* DemotedToDragon: In a unique example, Greer demoted ''himself'', and is happy with his demotion. His entire goal was to have humanity ruled by an impartial machine that cannot be corrupted in the way that men are, and now he's taking orders from it.
168* TheDreaded: Those who know him, which is an incredibly [[TheSpook small list]], seem very fearful of him.
169* EvilBrit: He speaks in a classic Received Pronunciation accent and worked at [=MI6=].
170* EvilCounterpart: To quite a few others:
171** Finch. Both are [[TheSpook virtually unknown]], [[TheChessmaster brilliant at long-term planning]], and are the admins for their respective ArtificialIntelligence. [[ArsonMurderAndJaywalking They also both insist upon always wearing expensive suits]].
172** Root. Their similarities are explicitly discussed when Greer tries to recruit her. They both follow their AI bosses completely, are completely loyal to their ideologies (once Root develops one), and both lose faith in their original systems of thought after the death of a friend in their backstories.
173** Control. They're both highly ruthless, competent spymasters with different perspectives on the world. She considers artificial intelligence systems as mere tools in fighting international terrorism. Greer thinks they're gods who could radically transform humanity itself. She's a fanatical patriot willing to commit horrific acts in protecting the USA. He loathes nation states and wants to create global government under a single entity. She's a JerkWithAHeartOfGold who means well. He's an AffablyEvil StrawNihilist who maintains his composure when committing his crimes. She's a BadassBureaucrat who doesn't hesitate to go out into the field and get her hands dirty. He's a NonActionBigBad who leaves most of the dirty work to his mooks, though he is still a decent shot and goes out himself on occasion (though he limits himself to coordination of his operations in those cases).
174** Nathan Ingram. They're both the faces of their companies and act as TheFace for someone else; Nathan for Finch and Greer for Samaritan.
175** In flashbasks, he serves as one to Reese as well, in that he's a government assassin who abandons his profession after being betrayed by his superior.
176* EvilOldFolks: He is one of the oldest persons on the show and as shown here, one of the most dangerous enemies of Team Machine.
177* FauxAffablyEvil: By "Search and Destroy", he finally begins to shed his usual affable exterior. And if there was any doubt that at the end of the day that he's still the BigBad for all his WellIntentionedExtremist objectives, the scene during "Asylum" where he's almost gleeful about how Root is set to get her head cut open shows how far he's fallen. defied at the end of the series where he reverts back to his charming self, ardently praising Samaritan's efforts and good intention and almost begging Finch to join him.
178* FreudianExcuse: The scene he shares his past with Finch about being a small child who grew up witnessing firsthand the horrors of World War II is very heartfelt, and it explains pretty clearly why he thinks the way he does.
179* FriendlyEnemy: Tries to be one with Finch, but it's pretty one-sided. He also plans to dispose of him once his purpose is done.
180* FromNobodyToNightmare: Once an ordinary intelligence officer[=/=]ProfessionalKiller who worked at the height of the Cold War, Greer rose to run operations at one of the most powerful private intelligence gathering corporations of the planet and facilitated the arrival of an ArtificialIntelligence which has been programmed to achieve world domination by any means necessary.
181* GreaterScopeVillain: He is the man behind Vigilance.
182* HaveYouToldAnyoneElse: Does this with one of his Mooks. You can already guess how it ends.
183** However a flashback to 1973 shows him averting the trope, because [[UsefulNotes/ColdWar the cause he was fighting for]] is no longer important to him.
184* HeWhoFightsMonsters: The show seems to agree with Greer about the corruptibility of government officials and ideologues, but also shows that Greer himself is just as destructive and manipulative as those he most opposes. Formerly a patriotic British intelligence operative who became disillusioned after he was betrayed by his superiors, he, in turn, manipulates and betrays patriotic WellIntentionedExtremist types like Peter Collier and Control, doing to them much the same thing that was done to him in the name of eradicating such ideologies and institutions.
185* HiddenAgendaVillain: When he first appears, exactly what he wants is a mystery.
186* HumansAreBastards: He views humanity under quite a dim light. [[FreudianExcuse Of course]], he grew up during the Blitz and later worked as a spy at the height of the Cold War, so he has seen his fair share of human monstrosity and [[GreyAndGrayMorality moral ambiguity]].
187* TheIdealist: Near the end of Season 4, he declares himself to be this.
188* {{Irony}}: An Englishman who is TheManBehindTheMan for an organisation inspired by UsefulNotes/TheAmericanRevolution.
189* IWasQuiteALooker: Back in 1973, Greer looked quite [[http://vignette2.wikia.nocookie.net/pediaofinterest/images/a/ac/POI_410_Flashback_Greer.png/revision/latest?cb=20141219184445 handsome]].
190* KnightOfCerebus: Easily the greatest threat Team Machine has faced. He has appeared in some of the darkest episodes of the series.
191* LastNameBasis: Both his operatives and Senator Garrison refer to him as "Mr. Greer".
192* {{Leitmotif}}: Whenever he enters the scene, a distinctive deep, foreboding bass tone follows him.
193* TheManBehindTheMan: With regards to Kara. But apparently, there's an even bigger fish behind Greer. Keep in mind, his tag is only "Director of Operations" at Decima, not CEO. He was also behind Vigilance, forging them into the perfect anti-government weapon to wound the Machine and force it to be taken out of commission, allowing an AI he preferred to take control of the world.
194* ManipulativeBastard: Greer plays just about everyone... Senator Garrison, Control, even Peter Collier.
195* ManOfWealthAndTaste: If his suits are any indication.
196* MeaningfulName: "Greer" is a middle ages variant of "Gregory", which means "[[SinisterSurveillance watchful, vigilant]]". Even more so when we find out he's TheManBehindTheMan for Vigilance.
197* MisanthropeSupreme: He doesn't want to be ruled by humans, as they are too easily corruptible.
198* MoralMyopia: Lost faith in humanity a long time ago after seeing too many examples of corruption among those in power, so he sets up Samaritan to guide humanity. Unfortunately, Samaritan has been abusing the power it was given to fight terrorism to commit numerous crimes to advance its own agenda since the moment it was turned on. He doesn't seem to either notice or care that all he's doing is replacing thousands of corrupt officials with limited capacity to do harm with one ''omniscient'' corrupt official with an unlimited capacity to do harm.
199* NervesOfSteel: Greer is utterly immovable and never appears frightened. He maintains his composure even when Reese and Shaw are killing his employees and pointing their guns at him.
200* NobleDemon: Greer might be a remorseless killer/spymaster who runs on PragmaticVillainy but he does have some semblance of honor and mercy. He kept his end of the bargain with Stanton. He also kept his bargain with another one of his assets; commit suicide and take Decima Tech's secrets to the grave, and his family would be taken care of.
201* NonActionBigBad: Justified due to his advanced age and hence he prefers to have his employees do the heavy lifting. However, Greer is a decent shot, meticulous with his trade-craft and is more than willing to go out into the field and coordinate his operations when necessary.
202* NoNameGiven: His name was only given in a press release in Season 2, and then confirmed on-screen in Season 3. "John Greer" is still an alias though.
203** His MI-6 personnel file is labeled "GREER, M."
204* PassThePopcorn: During Vigilance's "[[KangarooCourt trial]]", Greer is less concerned for his life and more extremely entertained by the overall ridiculousness of the entire ordeal. Of course, the reason for this is the fact he was behind it all.
205* PetTheDog: Despite kidnapping her, his treatment of Finch's former fiancée, Grace, counts. He treats her very well (even pouring her tea), is very civil to her, and sounds genuinely sympathetic when she hears of her fiancé's death (before he notices her fiance is actually Finch). He also blindfolds her later on so she wouldn't discover Finch's identity despite having nothing to gain from it.
206* PragmaticVillainy: Seems to be his modus operandi; he's efficiently ruthless, but never needlessly cruel, and tends to follow the line that the carrot rather than the stick is the better way to get your underlings to be loyal and willing to do anything. Nevertheless, if he deems it appropriate, he's willing to sacrifice any of his assets or subordinates in order to ensure the success of an operation, shown when he guns down the employee of his who brought him the Samaritan drives.
207* PreMortemOneLiner: "[[WickedCultured To quote your Benjamin Franklin]]: Three can keep a secret, as long as two of them are dead." As he says before summarily having Lambert execute Peter Collier and nearly Finch as well.
208* ProfessionalKiller: Back in his old life at [=MI6=], this was among his responsibilities. Even with age however, Season 3 showed he doesn't have any problems with handling a suppressed Walther P99 which he used to silence his employee who handed him the Samaritan drives.
209* SharpDressedMan: He is always wearing a nice business suit.
210* TheSpook: One of the best, possibly second only to Finch. Little is known about him but he is very good at getting information on his targets.
211* TheSpymaster: The ultimate example in the show. He's expressed knowledge of everyone on Team Machine at some point or other besides Carter and Fusco.
212* StiffUpperLip: Nonchalantly continued to look at a bit of paperwork while Reese and Shaw blasted through some of his mooks without even turning around to look, then leisurely finished looking at the paper and turned his attention to Reese and Shaw without so much as batting an eyelid or showing a flicker of discomfort at the situation that was apparently not in his favor. The fact that reinforcements were on the way probably contributed to this.
213* StrawNihilist: Finally admits it in "Asylum".
214* ThanatosGambit: [[spoiler:Attempts this with Harold in ".exe" via locking himself and Harold in a room which is being deprived of oxygen. His reasoning is that since Harold is the only one who can activate the virus to destroy Samaritan, his "Queen sacrifice" will ensure that Samaritan continues operating. But unbeknownst to him, Harold did give the password to the Machine beforehand, and Reese and Shaw's actions allow the Machine to give Harold the code to free himself from the room--after Greer has already suffocated.]]
215** [[spoiler:Actually, Greer's plan was pretty good because his belief that Harold wouldn't have trusted the Machine with the password was accurate. So, once Harold had inadvertently confirmed that only he knew the password, Samaritan could safely kill them and thus ensure its survival. The only reason Greer's plan failed was because he and Harold had both underestimated the Machine which, on its own, had sent Reese and Shaw into the NSA to set up a wireless network inside the building so that it could contact Harold. And then, just before Harold was about to enter the password, the Machine revealed that its knowledge of him had enabled it to accurately guess the password so that even if Harold had died it would still have been able to launch the virus. So, in the end, Greer defeated Harold but the Machine would have beaten Greer anyway.]]
216* TookALevelInBadass: When he was introduced in Season 2, his attempt at getting control of The Machine went off the rails and turned into a costly fiasco for his company. Season 3 has him conducting a meticulously coordinated BatmanGambit in order to get The Machine replaced with a system of his own, and for every move Team Machine makes, he manages to perform counter-moves of his own and force the previously invulnerable protagonists who could out-shoot, outwit or out-buy their opponents to actually work for their survival. And then at the end of the Season, he wins, trapping Team Machine in a situation where Samaritan will dump the weight of American law enforcement and Decima on them if they reveal themselves.
217* TheUnfettered: A horrifying textbook case and the thing which defines him from Harold. Beneath the AffablyEvil EvilBrit act beats the heart of a man who is willing to go to untold lengths to take over the world by any means necessary.
218* UtopiaJustifiesTheMeans: His goal is world free of war, crime, and oppression. He's willing to go to extremes to fulfill this goal.
219* VerbalTic: He has a habit of referring to others as "My dear".
220* VisionaryVillain: Greer sees a bright future for humanity where Samaritan rules supreme over men. He also opposes the very concept of nations, nation-states, and nationalism or patriotism, pursing a vision of OneWorldGovernment under an A.S.I.
221* WellIntentionedExtremist: He intends Samaritan to be an omniscient, impartial, and incorruptible replacement for the world's governments.
222* {{Western Terrorist|s}}: He's British-born, grew up in the Blitz, and worked for [=MI6=] before he lost faith in nation-states and their governments. Ironically, he's based out of Shanghai.
223* WickedCultured: He lectures Kara on Greek mythology. However, this is often subverted: when it comes to his cultural references, he seems to have surface-level knowledge, but very little deeper understanding. Case in point, when he quotes Theatre/{{Hamlet}} to Finch, "What a piece of work is your Machine, Harold. In action, how like an angel. In apprehension, how like a god." In the play, Hamlet is being viciously sarcastic in his assessment of humanity, being of the opinion that HumansAreBastards. Greer, however, doesn't seem to quite understand this, and applies the same line to Artificial Intelligence with utter sincerity.
224** His references to Greek mythology when talking to Stanton and Finch on separate occasions is also a subversion. In both instances, Greer analogizes artificial intelligence to the Greek gods when explaining his belief that humanity should be ruled by these "superhuman intelligences." The ''actual'' Greek myths portray the gods as petty, vindictive, and venal...which may explain why Samaritan turns out the way it does.
225* WorthyOpponent: Finch. Tellingly, he always refers to Team Machine as "Mr. Finch and his associates" or "Mr. Finch and his colleagues".
226--> '''Greer:''' After all... you've been a ''very'' hard man to find.
227* YouHaveFailedMe: In "RAM" he tells a subordinate that he's one more screw-up away from this.
228* YouHaveOutlivedYourUsefulness:
229** How he rewards the operative who brings him the Samaritan Drives...and the entirety of Vigilance.
230** He and Samaritan do this to The Northern Lights Counter-Terrorist organization using the assets they've cultivated to execute a "night of the long knives" style massacre.
231[[/folder]]
232
233!Agents and Assets
234
235[[folder:Stanton]]
236!!Kara Stanton
237[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/stanton_kara_2191.jpg]]
238[[caption-width-right:350:''"We are killers, John, that is our job. And if you want to be good at your job...gonna have to learn to love your work."'']]
239->'''Played by:''' Creator/AnnieParisse\
240'''Introduced in:''' "[[Recap/PersonOfInterestS01E08 Foe]]"\
241
242Reese's former CIA partner who was widely believed to have died at Ordos, but later turns up alive and working for Decima Technologies.
243----
244* BattleCouple: She was lovers with Reese when they worked together, though they're played more for BelligerentSexualTension.
245* BettyAndVeronica: Reese left his GirlNextDoor Jessica to work for FemmeFatale Stanton and the ISA.
246* BloodKnight: The woman sure does love a good fight.
247* ColdSniper: As a cucumber. Don't get in the way of her target.
248* DidntSeeThatComing: Mark Snow deciding to come back for revenge and killing her with her own bomb. It surprised her, to say the very least. Earlier, in "RAM", set back in 2010, the man she was torturing for information would rather launch himself out a window than continue being tormented by her and chance betraying Greer.
249* EvilCounterpart: To Reese. Kara was rescued by Greer and Decima, while Reese became a homeless bum until he was found by Finch. Naturally, they end up against one another. (But even before this, flashbacks to their missions together show that the two had vastly opposite attitudes toward their work.)
250* EvilMentor: For John, when they first meet, he's the NewMeat while she's the senior officer who's supervising him and after critiquing his insistence on not drinking wine (he's no longer a soldier and not drinking would probably blow his cover in a operational setting), she teaches him his first lesson by executing two traitors without warning and ordering John to clean up.
251* ExplosiveLeash: She tries it on Reese and Snow. Both fail, for Finch disarms Reese's vest and Snow pulls a TakingYouWithMe maneuver on her.
252* FauxAffablyEvil: Very friendly and courteous towards Snow (and John Reese) while explicitly informing him he's a disposable asset.
253* {{Foil}}: Stanton is sadistic and enjoys killing while Reese takes no pleasure in violence. Stanton is obsessed with revenge for Ordos, while Reese is willing to put his betrayal behind him.
254* GoodIsNotNice: Although a cold blooded murderer who actually enjoys killing people, ''technically speaking'' she is supposed to still be on the side of right during the time frame of the flashbacks in episodes such as "Prisoner's Dilemma".
255* HiddenAgendaVillain: Whatever she's doing in Season 2 that’s worth killing random civilians. It's eventually revealed that she was working for another covert organization which was seeking control of The Machine.
256%%zce* HoistByHerOwnPetard: For reasons stated above.
257* ItGetsEasier: Pretty much the walking embodiment of this, and she expresses frustration at Reese for it not being the same for him.
258* ItsPersonal: She isn't happy that her superiors tried to have her eliminated.
259* KarmicDeath: Snow kills her using the bomb vest she uses as his ExplosiveLeash.
260* JadeColoredGlasses: Utterly cynical, she lives only for her job, enjoys it and it rubs off on John during their time together.
261* {{Jerkass}}: Rather abrasive to John when they first meet, him being the NewMeat who has much to learn while she is the more experienced agent who's wearing some heavy JadeColouredGlasses.
262* KickTheDog: Has her moments but a major one is when she locks John, Mark and a innocent scientist in a DOD facility control room after activating the bomb vests.
263* LaserGuidedKarma: Killed by the same explosive leash she was using to force Snow to work for her.
264* MutualKill: Courtesy of Mark Snow.
265* NeverFoundTheBody: She was subjected to this ''twice''. Admittedly, it does seem like there's no body to find the second time, but that didn't work out too well last time.
266* NoOneCouldSurviveThat: The first time she escaped death, it was somewhat believable since she was covered by building structure. But seeing as how she was sitting right next to Snow with less than 10 seconds from detonation, and the sheer magnitude of the explosion, it's very hard to believe that she survived.
267* NothingPersonal: Claims this while shooting Reese InTheBack after being ordered by Snow to do so. [[{{Hypocrite}} Of course when Stanton realises that she too has been set up, it's a different matter.]]
268* ProfessionalKiller: For the CIA.
269* PsychoForHire: Snow considers her one. Rightfully so, it would seem.
270* {{Sadist}}: A lot of the stuff she does goes beyond "just part of the mission".
271* SemperFi: She's a former Marine and has a playful InterserviceRivalry exchange with John who's former Army Special Forces.
272* SlapSlapKiss: Gets angry at Reese being a NiceGuy and puts a gun to his head. Reese then slams her up against the wall. Cue passionate kiss.
273* SmugSnake: Extremely. Which is why she didn't count on Snow and Reese breaking out of the DOD control room she locked them in and the former getting to her car in time to blow her sky high.
274* SheWhoFightsMonsters: Like Reese, she's very aware of what it has done to her but doesn't mind in the slightest. "We're not... walking in the dark. We ''are'' the dark."
275* UngratefulBitch: Stanton knows Reese refused to obey Snow's order to kill her in Ordos, but sets him up to die anyway.
276* YouHaveOutlivedYourUsefulness: She is subjected to this and subjects others to this. In Season 3 "RAM" it is revealed Northern Lights deemed that Kara and Reese had outlived their usefulness when they took too long in killing a man who knew about the Machine and drew too much attention. So they had Snow arrange for them to kill each other; Reese didn't go through with it, but Kara was willing to.
277[[/folder]]
278
279[[folder:Lambert]]
280!!Jeremy Lambert
281[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/lambert_jeremy_9829.jpg]]
282[[caption-width-right:350:''"Samaritan says hello."'']]
283->'''Played by:''' Creator/JulianOvenden\
284'''Introduced in:''' "[[Recap/PersonOfInterestS03E16 RAM]]"\
285
286Introduced as an operative of Decima Technologies; still working for Samaritan in Season 4.
287----
288* AffablyEvil: Not unlike his boss, Lambert is unfailingly polite and unfailingly ruthless.
289* BeardOfEvil: Had one for much of Season 3. Has shaved it off by the time of his reappearance in Season 4.
290* TheBusCameBack: Disappeared for much of Season 4, presumably recuparating from the 9mm slug Reese hit him with in the previous Season, but he reappears in "The Cold War".
291* CasualDangerDialogue: "Well, isn't this the tricky situation?"
292* CharacterDeath: [[spoiler:Courtesy of Sameen Shaw, during her ''real'' escape.]]
293* CombatPragmatist: In "If-Then-Else", he makes a point of gunning down Harold in each of the simulations he runs and tries to do so in real life. When he runs into John, Lambert uses almost every bullet in his Glock 19 to take down Reese in simulation 2.
294** He also brings a ''grenade'' to what will be a close quarters gun fight, though that didn't work out so well for him in at least one simulation.
295* DeadpanSnarker: Also much like his boss, Lambert has quite a dry sardonic wit.
296* DidntSeeThatComing: He did not expect Shaw to carry an extra gun during her final escape from Decima, thus resulting in his utter surprise and well-deserved death.
297* TheDragon; For Greer. He's notable, since Greer has a tendency to kill people who work for him.
298** CoDragons: With Martine in season four.
299* EvilBrit: Just like his boss.
300* EvilCounterpart: To Reese. He acts in a capacity to Greer similar to how John does to Harold. However, he's not as badass as Reese is with John putting him out of commission for half a season with a well placed bullet and during a simulation in "If-Then-Else", swiping a fragmentation grenade and catching Lambert in the blast.
301* {{Foil}}: To John Reese.
302** Both are the right hand men of their respective bosses and are the equivalent of each other in their respective organizations. John fights for a free world while Lambert acts on behalf of a man which wants the world ruled by one entity.
303** Both of them are DeadpanSnarker SharpDressedMan, affable and usually SoftSpoken. Lambert however is a lot more arrogant than Reese.
304** John is TheStoic personified. Lambert is a lot more lively and AffablyEvil.
305** Both Lambert and Reese do fieldwork. Lambert however does not match up to Reese in the badass department.
306* FoeRomanceSubtext: With Root in "The Cold War".
307* HandicappedBadass: In the last scenes of "Deus Ex Machina", he kills two Vigilance members while his arm's in a sling.
308* KnowWhenToFoldThem: What saves him from Stanton when he has her cornered with his colleagues. They end up dead while he manages to scramble out intact before she can place him in her gun sights.
309* MeaningfulName: His surname is probably a reference to Swiss mathematician, astronomer and philosopher [[http://en.wikipedia.org/wiki/Johann_Heinrich_Lambert Johann Heinrich Lambert]] who studied (amongst other things) the difference between objectiveness and subjectiveness, major themes in Decima's dealings with Samaritan.
310* NoNameGiven: He's only known by his last name in Season 3. It's not till the Season 4 episode "The Cold War" that The Machine reveals his full name as Jeremy Lambert. But like most characters on the show, even that is an alias.
311* OutOfFocus: Once Martine was introduced, she became Team Machine's primary recurring threat, appearing in eight episodes across Season 4 as opposed to only two for Lambert.
312* SmugSnake: He's quite confident and full of himself, not to mention sarcastic. This comes to bite him in the ass badly, especially when going up against someone like Reese. If-Then-Else has him buying it when during simulation number 2, as Lambert gloats over a dying Reese, John reveals he swiped a hand grenade Lambert brought along and immediately disengages the pin.
313* {{Troll}}: Annoying Root (or Team Machine in general) seems to get a rise out of Lambert.
314* WickedCultured: Lampshades and compares Root's belief system to a "monotheistic universe with room for only one god."
315[[/folder]]
316
317[[folder:Zachary]]
318!!Zachary
319[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/zachary_1.png]]
320 [[caption-width-right:350:]]
321->'''Played by:''' Creator/RobertRayManningJr\
322'''Introduced in:''' "[[Recap/PersonOfInterestS03E21 Beta]]"\
323
324A high-ranking operative for Decima Technologies and later a Samaritan agent.
325----
326* AlwaysABiggerFish: Is able to outfight Reese in "B.S.O.D." and ".exe". In the latter, Reese doesn't even have the excuse of [[WorfHadTheFlu being previously injured]].
327* InTheBack: [[spoiler:Nevertheless, Reese eventually kills him in this way.]]
328* ScaryBlackMan: Due to his great height and cold professionalism.
329* WorthyOpponent: Considers Root to be this.
330-->''"Admirable how you've lasted this long. ... Shame, really. They'll bury you as a [[MrSmith Jane Doe]]. So much wasted potential, such an inefficient use of resources."''
331[[/folder]]
332
333[[folder:Martine]]
334!!Martine S. Rousseau
335[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/rousseau_martine_3976.jpg]]
336[[caption-width-right:350:''"All of my hobbies include a gun."'']]
337->'''Played by:''' Creator/CaraBuono\
338'''Introduced in:''' "[[Recap/PersonOfInterestS04E01 Panopticon]]"\
339'''Aliases:''' Megan L. Watkins, Petra Z. Kirillov, Katarina A. Müller, Isabella M. Fiore, Alicia T. Cabrera, Nataša B. Vukoja
340
341-->''"The world ''has'' changed. You should know you're not the only one who figured it out. You're one of three. The other two will die in a traffic accident in Seattle in 14 minutes."''
342
343A ruthless operative of Decima.
344----
345* BloodKnight: This comes out during combat; she appears to be having the time of her life when exchanging gunfire with Root. In "The Devil You Know" she readily draws a handgun in the middle of Bloomingdale's shopping mall and attempts to murder Shaw. Then there's this exchange from "If-Then-Else":
346-->'''Greer:''' And Martine...\
347'''Martine:''' ...Sir?\
348'''Greer:''' Enjoy yourself.\
349''[Martine [[PsychoticSmirk grins confidently]]]''
350* TheBrute: She's seen more action than Lambert and is a full blown BloodKnight that is perfectly happy to shoot up a department store in broad daylight just to kill Sameen Shaw.
351* DeadpanSnarker: Not nearly as much as Greer or Lambert, but she has her moments.
352-->'''Martine:''' FBI, drop your weapons or we'll shoot.\
353'''Fusco:''' [[ContinuityNod I thought you were DEA?]]\
354'''Martine:''' What does it matter? We'll shoot either way.
355* CoDragons: With Lambert for Greer and Samaritan.
356* CynicismCatalyst: Her [[MysteriousWoman past is never mentioned]], except that she used to be an investigator for the Hague. No doubt she saw enough evidence that HumansAreBastards while investigating war crimes.
357* EliteMook: And how! In previous seasons, the employees of Decima were constantly beaten by Team Machine. Rousseau on the other hand has access to Samaritan's God Mode, allowing her to become as omnipotent as Root in combat.
358** Shaw only manages to get the better of her by breaking out a FN-P90 submachine gun when Rousseau, who is only armed with a handgun tried to kill her.
359** Ascends from this position as of "The Devil You Know". She is given a team of operatives to hunt Team Machine after Greer figures out Root has given Samaritan a blind spot.
360* EvilBrit: Subverted. In her first appearance (in the first scene of Season 4), she speaks with a British accent, but inexplicably defaults to American afterwards. Her "main" name is French, and with the number of cover identities she has (which cover almost every major country in Europe), her real nationality is still up in the air.
361* EvilCounterpart: To Root. She seems to be the main asset (out of many) which Samaritan uses to fulfill its agenda, she has a mass of false identities like Root and she also has a similar set-up to Root's Analog Interface status which gives her full access to Samaritan's surveillance capabilities. Initially, she seemed to be more of an EvilCounterpart to Reese, but her Root-like traits were fleshed out in "Prophets".
362* {{Expy}}: Of T-X from Film/Terminator3RiseOfTheMachines.
363* FatalFlaw: She's overconfident that Samaritan will always protect her so she gets carelessly close to Root, who snaps her neck.
364* {{Foil}}: To Root in quite a few ways:
365** Both fulfill a similar roles for Greer and Harold. They also are the primary assets for their A.I's and have access to their capabilities.
366** Both of them use many cover identities in their work.
367** Rousseau is a full blown ProfessionalKiller while Root has her technical skills to balance out her skill-set.
368** Both women are psychopaths. Root however has reformed. Martine in contrast is a textbook case, not bothering to care about any collateral damage that ensures in the course of her work.
369** Root likes to use two handguns in combat. Martine only needs one.
370** As Season 4 goes on, Martine is found to be more vulnerable when it comes to physical confrontation rather than marksmanship, similar to how Root was when she was introduced. However, Root is revealed to have picked up unarmed combat techniques. It ends up costing Martine dearly when Root gets close enough to snap her neck.
371** [[ArsonMurderAndJaywalking Both characters are blonde, but Root dyed her hair brown]]. Martine eventually does, too, and Root notices.
372--> '''Root:''' I liked you better as a blonde.
373* FemmeFatale: She has certain shades of this, flirting lightly with a target in order to draw him in.
374* GlassCannon: Revealed to be this in the end, contrasting with Root's previous S1-S3 FragileSpeedster status. While Martine is borderline unstoppable with a gun in her hand, when it comes to unarmed combat, she falls apart quite easily, and it's what leads to her undoing when Root effortlessly breaks her neck.
375* HeroKiller: The deadliest single foe Team Machine has faced, even if she didn't actually kill any main characters like Simmons or [[spoiler:Blackwell]]. She takes on God Mode Root in "Prophets" and forces her to retreat. In "If-Then-Else," she downs Shaw and could easily have killed her.
376* HoneyTrap: One of her methods, though she only goes as far as flirting.
377* ImplacableWoman: The resident one for Decima Technologies, and fitting considering her resemblance to [[Film/Terminator3RiseOfTheMachines T-X]]. She fanatically works her way through several leads somewhat violently to find Shaw. When she does find her target in a crowded department store full of witnesses she immediately draws a gun and empties it in the target's direction without a second thought.
378* ImprobableAimingSkills: Gives Root a run for her money using her own access to Samaritan to effectively dodge and return fire when they engage in a shootout in a hotel lobby.
379* IHaveManyNames: Samaritan rattles off a list of aliases when it targets her as she introduces herself as "Meg Watkins, Homeland Security."
380* MeaningfulName: Her surname "Rousseau" is certainly a reference to the French philosopher [[http://en.wikipedia.org/wiki/Jean-Jacques_Rousseau Jean-Jacques Rousseau]], who coined much of modern political philosophy and is the TropeNamer for RousseauWasRight. The irony here (in addition to the trope correlation) is that Samaritan's end goal (a world ruled entirely by a single, distant and omniscient being) are directly at contrast with Rousseau's ideas (where an ideal world would be ruled by people in a direct democracy).
381* NeckSnap: On the receiving end of this, courtesy of Root.
382* PetTheDog: In the second simulation in "If-Then-Else". Somewhat. She may be a BloodKnight and potential HeroKiller, but she lets Root finish her minute-and-a-half long conversation with Shaw before opening fire.
383* ProfessionalKiller: Her main function as an operative of Decima is to eliminate threats to Samaritan--"threats" being anyone who figures out that Samaritan exists or anyone building another self-aware [=AI=] system.
384* ScarilyCompetentTracker: She manages to track down Shaw effortlessly ''without'' Samaritan being able to see Shaw. She also manages to go undetected by The Machine... which doesn't have a blind spot like Samaritan does.
385* TheSchlubPubSeductionDeduction: She is introduced patiently listening to a drunken journalist's conspiracy theory that an ArtificialIntelligence has secretly taken over the world. Once everyone has left the bar, [[YouKnowTooMuch she kills him]].
386* ShadowArchetype: She's essentially a darker and more unhinged version of Root, and what the latter might have become if she had [[TheComputerIsYourFriend Samaritan]] whispering in her ear rather than [[BenevolentAI The Machine]].
387* SmugSnake: She's not incompetent by any stretch of the imagination but she is overconfident and very much enjoys delivering contemptuous threats to Team Machine.
388* TheSociopath: A major one. She does fieldwork with clockwork efficiency most of the time and barely reacts in gunning down innocents.
389* SuspiciouslySimilarSubstitute: She's a mix of Stanton and Root with a bit of Hersh thrown in for good measure. She shares Stanton's ruthlessness, BloodKnight nature and combat abilities but normally has Hersh's usual temperment. Rousseau also happens to have has access to all of Samaritan's surveillance capabilities, in effect, a God Mode, similar to the set-up Root has with The Machine and can perform ImprobableAimingSkills with the best of them.
390[[/folder]]
391
392[[folder:Claire]]
393!!Claire Mahoney
394[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/mahoney_claire_8643.jpg]]
395[[caption-width-right:350:''"Now I've found it--or it found me. Either way, I reached out and took a chance, and I'm going to win."'']]
396->'''Played by:''' Creator/QuinnShephard\
397'''Appeared in:''' "[[Recap/PersonOfInterestS04E02 Nautilus]]", "[[Recap/PersonOfInterestS04E15 Q&A]]"
398
399A brilliant college student suffering from depression and loss who becomes a Samaritan asset after solving an intricate puzzle it designed.
400----
401* AmbiguouslyEvil: She's convinced Samaritan is making the world is better place via charter schools. Toward the end of the episode, it's hinted that she's starting to have doubts about Samaritan.
402* BitchInSheepsClothing: For "Q&A". She tries to kidnap and strong arm Harold into joining Decima. Harold eventually smashes this trope when giving her a vicious ShutUpHannibal.
403* DesperatelyLookingForAPurposeInLife: The reason why she is so obsessed with completing the game (actually a form of recruitment drive on Samaritan's part) without ever stopping to ask what it's all leading up to, or if it's worth it.
404* DefectorFromDecadence: Later in the season, she contacts Finch again to reveal that she's become disillusioned with Samaritan's mission and is looking for a way to strike back. Except she isn't; she's been thoroughly indoctrinated by Samaritan and Decima at this point, and her goal was to get Finch out in the open so that Decima could either flip or sideline him.
405* {{Determinator}}: Despite threats to her life and Finch's pleading, Claire cannot be swayed from finishing Samaritan's game.
406* {{Foil}}: To Root, a fact that is explicitly discussed between Root and Harold.
407* HumiliationConga: Downplayed. In her second appearance, she was shot at twice, and had failed in her task to bring in Harold and convince him to share her faith in Samaritan. By the end, her predicament has her faith shaken and fearful of who she works for.
408* ItsAllAboutMe: A side-effect from her desire to look for a purpose in life is that she couldn't care less about the world around her. Samaritan plays on this and Harold calls her out on it.
409* {{Jerkass}}: She suffers from NoSocialSkills, is very abrasive and her quest to look for a purpose in life means she really couldn't care about anyone.
410* LackOfEmpathy: She's not a nice person and is more concerned about finding a purpose in life for herself rather than anyone who is harmed by her actions.
411* NoSocialSkills: This could normally be excused due to the tough time she's going through, but Claire isn't a nice person in general.
412* HorribleJudgeOfCharacter: Authentically believes that Samaritan is a BenevolentAI.
413* SmugSnake: She's just a little more confident than she has a right to be. Though in her defense, she couldn't have predicted Root showing up out of nowhere.
414* WhatHappenedToTheMouse: Double subverted. Initially, it feels weird that she doesn't make any appearance in the following few episodes with Samaritan's team. However, she reappears in "Q&A"...and then disappears with no real resolution to her subplot.
415[[/folder]]
416
417[[folder:Gabriel]]
418!!Gabriel Hayward
419[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/gabriel_hayward.jpg]]
420 [[caption-width-right:350:]]
421->'''Played by:''' Creator/OakesFegley\
422'''Appeared in:''' "[[Recap/PersonOfInterestS04E10 The Cold War]]", "[[Recap/PersonOfInterestS04E12 Control-Alt-Delete]]", "[[Recap/PersonOfInterestS05E06 A More Perfect Union]]"
423
424-->'''The Machine (Root):''' Clever using a young boy as your avatar.\
425'''Samaritan (Gabriel):''' This "boy," as you call him, has already hacked into both DARPA and the DOD, after having taught himself how to code.
426
427A young boy that is a computer genius and hacker, assigned by Samaritan to be its analog interface, instead of John Greer.
428----
429* ChildProdigy: As said above, he taught himself how to code well enough to hack [=DARPA=] and the [=DOD=]. And if The Machine is to be believed, he did all that by age ''10''.
430* CommLinks: Samaritan talks via an earpiece into Gabriel's ear.
431* CreepyChild: Due to being a MouthOfSauron for Samaritan.
432* {{Foil}}: As a young, arrogant hacker prodigy who hacked into government website and is doing things for the fun of it, he comes across like a young Harold Finch, but one corrupted by an evil entity.
433* MeaningfulName: The Archangel Gabriel is usually said to be God's herald, the same way Gabriel Hayward acts as a herald to Samaritan, as fitting of Samaritan's biblical references. In a later episode he turns up at the [[Film/GabrielOverTheWhiteHouse White House demanding a meeting with the President]].
434* MouthOfSauron: For Samaritan.
435* RuleOfSymbolism: A child (showing Samaritan's youth in comparison to the Machine) called Gabriel (see MeaningfulName) who possesses great knowledge but without the experience and humility of age. Greer describes him as "the shape of things to come", the [[Literature/TheShapeOfThingsToCome title of a novel]] where a worldwide utopia is imposed on the old order by technological force.
436* TroublingUnchildlikeBehavior: Well, if hacking the DOD and DARPA doesn't count, acting as the mouthpiece of an evil, omniscient supercomputer certainly does.
437[[/folder]]
438
439[[folder:Travers]]
440!!Travers
441[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/poi412_1139.jpg]]
442[[caption-width-right:350:''"Samaritan is never wrong."'']]
443->'''Played by:''' Creator/MichaelPotts\
444'''Appeared in:''' "[[Recap/PersonOfInterestS04E12 Control-Alt-Delete]]", "[[Recap/PersonOfInterestS05E12 .exe]]"
445
446A high-ranking Samaritan operative who worked as Samaritan's representative in The Pentagon and liaison with the ISA.
447----
448* BlatantLies: His job is apparently to feed Samaritan's bullshit to Research. Control buys none of it.
449* HateSink: Unlike other prominent Samaritan operatives like Lambert, Zachary, or Martine, he has no likable or badass qualities whatsoever.
450* LastNameBasis: He is only known to the audience and Research as Travers.
451* MeaningfulName: "Travers" in the Middle Ages was a name given to people who lived in bridges or crossings, which is fitting for a man whose duty is to serve as a bridge between Samaritan and Control.
452* SmugSnake: He is ''so very smug'' towards Control. Travers treats everyone but his fellow Samaritan lackeys like subhumans who ought to be grateful for his condescending, arrogant presence.
453* UncertainDoom: It is speculated, but not confirmed, that he met his fate during the events of his second appearance.
454[[/folder]]
455
456[[folder:[=LeRoux=]]]
457!!Martin [=LeRoux=]
458[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/martin_leroux.png]]
459 [[caption-width-right:350:]]
460->'''Played by:''' Creator/DavidAaronBaker\
461'''Appeared in:''' "[[Recap/PersonOfInterestS05E01 B.S.O.D.]]", "[[Recap/PersonOfInterestS05E12 .exe]]"
462
463An FBI agent secretly working as an assassin for Samaritan.
464----
465* BlatantLies: While questioning Fusco with Detective Soriano, he suggests to him that his memory of a sniper was trauma-induced.
466* DirtyCop: All those bodies that Fusco found were his doing on behalf of Samaritan.
467* FBIAgent: That's his occupation, according to his log by Samaritan.
468* ImpersonatingAnOfficer: Averted, he really is an FBI Agent.
469* JurisdictionFriction: He refuses to share the ballistics report with Soriano.
470* PunkInTheTrunk: As Fusco and Reese are about to be executed by Samaritan-bribed Corrections officers, Fusco reveals that he killed him and put him in a car trunk.
471[[/folder]]
472
473[[folder:Blackwell]]
474!!Jeffrey Blackwell
475[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/jeffrey_blackwell.png]]
476 [[caption-width-right:350:]]
477->'''Played by:''' Creator/JoshuaClose\
478'''Introduced in:''' "[[Recap/PersonOfInterestS05E02 SNAFU]]"
479
480An ex-con on parole after doing 12 years in prison for a combination of killing someone else in a car accident and stabbing a fellow inmate. Due to his record, he can only get menial, low-paying jobs to support himself. That is, until Samaritan hires him as a semi-unwitting asset.
481----
482%%* BeardOfEvil
483* ChekhovsGunman: He's introduced as a number that might not even be genuine, then gets recruited by Samaritan at the end of his first episode.
484* DoubleTap: [[spoiler:Shaw puts two rounds in his chest.]]
485* DragonTheirFeet: [[spoiler:The last surviving member of Decima after Samaritan’s defeat, and is eventually put down by Shaw.]]
486* HeroKiller: [[spoiler:He graduates to this by successfully killing Root. He later tries for Fusco, too, but fails.]]
487* KarmicDeath: [[spoiler:He faces his retribution for killing Root and nearly killing Fusco. Shaw, who had feelings for Root, manages to track and gun him down before he is able to escape. He has the honor of being the final person killed onscreen in the series.]]
488%%* OnlyInItForTheMoney
489%%* PunchClockVillain
490* SuspiciouslySimilarSubstitute: For Claire Mahoney. Given that her last appearance ended on an unresolved note, and yet the writers took the time to introduce and feature him several times throughout the last season, you have to wonder if Blackwell's general role in the show was originally intended for Claire, but her actress was unavailable.
491%%* TrappedInVillainy
492[[/folder]]
493
494[[folder:Mona]]
495!!Mona
496[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/mona_66.png]]
497 [[caption-width-right:350:]]
498->'''Played by:''' Creator/LaChanze\
499'''Introduced in:''' "[[Recap/PersonOfInterestS05E02 SNAFU]]"
500
501A Samaritan operative that recruits Jeffrey Blackwell as a Samaritan asset.
502----
503* AffablyEvil: She's very gentle and reassuring when dealing with Blackwell.
504** Shifts to FauxAffablyEvil when Blackwell starts having second thoughts. She blackmails him into doing Samaritan's bidding with a smile.
505* CallBack: Quotes Finch word for word when recruiting Jeff Blackwell.
506-->'''Mona:''' You need a purpose. More specifically, you need a job.
507* TheHandler: For Blackwell.
508* SatelliteCharacter: She's only important because of her being the proxy through which Samaritan recruited Blackwell. Once Samaritan decides to start instructing him directly, she disappears entirely.

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