History Recap / PersonOfInterestS03E06

* DangerouslyGenreSavvy: Vigilance has systems in place to avoid the ubiquitous surveillance of the series.

* BlackSite

* DangerouslyGenreSavvy: Vigilance, who have a camera and disposal/snooper elimination system wired into their message drop site.

* TheBookCipher

* DispenseWithThePleasantries: Root

* IHaveManyNames: Peter Collier says his name is just one of many aliases.

* JustFollowingOrders: Root

* MacGyvering: Root makes a cutting torch with an oxygen bottle, tinfoil and spaghetti.

* ShockCollar

* {{Unperson}}

* CasualKink: On finding taser confetti in her bedroom, Reese considers whether Shaw might have tased herself for kicks.

* BoobyTrap: The lockup is rigged with gasoline sprayers and an igniter, burning the evidence and anyone else who comes poking around.

* CrazyPrepared: Having the Machine as MissionControl makes it easy for Root to be this. She makes sure there's a conveniently hidden gun in a specific location the same location where Peter Collier and a Vigilance hit squad are trying to take out a target the machine wants saved.
** CoolGuns: And the gun in particular she brought along was a fully automatic Glock 18 machine pistol which allows her to even the playing field with Collier's numerically superior hit-squad.

* ThereWasADoor: Vigilance drills bolts into the cabin doors of the CIA truck. So Shaw kicks out the window.

* TrojanPrisoner

* VanInBlack

** InUniverse with Sloan, who has all kinds of breaking-and-entering tools for his job. Finch asks if he has anything that can detect infra-red. He does.

* PublicSecretMessage: Vigilance uses the lockups to pass on messages, written on the wall in infrared paint.

* BigDamnHeroes: Reese turns up just in time to save Finch and Sloan from burning to death.
* BoobyTrap: The lockup is rigged with gasoline sprayers and an igniter, burning the evidence and anyone else who comes poking around.
* TheBookCipher

* HomoeroticSubtext: Lots of FoeYay between Shaw and Root, with the two women leaning close and staring intently at each other whenever Shaw threatens Root's life.

* TeethClenchedTeamwork: Root and Shaw.

* TheChessmaster: The Machine manipulates both Team Machine and Vigilance into breaking free a hacker who might be useful to it/her in the future. It might also have arranged for the psychopathic yet potentially useful Root to be imprisoned by people who have the means to do so but who won't kill her.

* DeepCoverAgent: Turns out Lanskey is a member of the Russian mob, infiltrated into the NYPD with the help of HR.

-->'''Shaw''': The Machine gives missions to Harold and the government. Relevant, irrelevant. Why would it give one to you?
-->'''Root''': Because now there's a third category. Besides, my relationship with the Machine is a little... ''different''.

** The [=PoI's=] brother is on the outs with Vigilance because [[spoiler: he objected to killing Wayne Kruger, the [=PoI=] in "[[Recap/PersonOfInterestS03E02 Nothing to Hide.]]"]]

* CrazyPrepared: Having the Machine as MissionControl makes it easy for Root to be this. She makes sure there's a conveniently hidden gun in a specific location [[spoiler: the same location where Peter Collier and a Vigilance hit squad are trying to take out a target the machine wants saved]]

** The foster brother of the POI decided to run away from Vigilance when Peter Collier proposed to [[spoiler: kill Wayne Kruger]].
** Laskey [[spoiler: is not pleased when Simmons orders him to bury the body of a childhood friend who's been murdered by HR and decides to help Carter destroy them.]]

* [[WhamLine Wham Lines]]:
** Finch, to Root, after [[spoiler: he imprisons her in a Faraday cage]]: "How can you be so certain, Ms. Groves, that the Machine does not wish you to be precisely where you are?"
** Laskey revealing [[spoiler: his true name and the reason he's on the police force and on HR's payroll]] to Carter.
** Early in the episode, Shaw asks Root why the Machine would work with her, because it's already got Irrelevant and Relevant people covered. She responds that there's "a third category." At the end, Root says that Jason was "[[spoiler: necessary]]," implying that she might be the one the Machine put in charge of [[spoiler: ensuring its own survival]] and that [[spoiler: it has created a third category of "numbers."]]
* WorkingTheSameCase: Reese, Finch, Shaw and Root end up running into each other during the climax. While Reese saves the number, Root [[spoiler:saves his brother, who had been unlawfully imprisoned by the CIA and [[FromBadToWorse is about to be executed]] by Vigilance.]]

* ItsPersonal: Reese makes a point of telling Collier he didn't appreciate being shot InTheBack (again).

** As in "Liberty", Root does not respond well to being cut off from the technology. Finch however is less easily intimidated than Dr. Carmichael.

* YouWontLikeMeWhenImAngry / DeuExMachina

* BigDamnHeroes: Reese turns up just in time to save Finch and Sloan from burning to death.
* BoobyTrap: The lockup is rigged with gasoline sprayers and an igniter, burning the evidence and anyone else who comes poking around.
* DeepCoverAgent: Turns out Lanskey is a member of the Russian mob, infiltrated into the NYPD with the help of HR.

* WorkingTheSameCase: Reese, Finch, Shaw and Root end up running into each other during the climax. While Reese saves the number, Root [[spoiler:saves his brother, who had been unlawfully imprisoned by the CIA and [[FromBadToWorse is about to be executed]] by Vigilance.]]

* TheChessmaster: The Machine manipulates both Team Machine and Vigilance into breaking free a hacker who might be useful to it/her in the future. It might also have arranged for the dangerous yet potentially useful Root to be imprisoned by people who have the means to do so but who won't kill her.