History Monster / JAG

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[[quoteright:350:[[Series/NCISLosAngeles https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2012_05_31_20h38m14s29.png]]]]
[-[[caption-width-right:350:"I saved the white-woman-in-her-late-20's slot for you."]]-]

->'''Harmon Rabb''': Charlie, there's something I need to know. Why did you kill (five-year-old) Annie?\\
'''Charles "Charlie" Lynch''': I told her not to get on that school bus.\\
'''Harm''': She just wanted to be with kids her own age.\\
'''Lynch''': She disrespected me.\\
'''Harm''': And for that, you beat her to death?\\
'''Lynch''': You have a problem with that?
-->--''Series/{{JAG}}'', "[[Recap/JAGS04E24Goodbyes Goodbyes]]"

The agents of ''Series/{{JAG}}'' and its related series, including the MorePopularSpinoff, ''Series/{{NCIS}}'', have faced various terrorists and criminals over the years. These are the [[CompleteMonster most monstrous]].

----
''[[AC:Series/{{JAG}}]]''
* [[WouldHitAGirl Charles "Charlie" Lynch]], from season 4's "[[Recap/JAGS04E17NobodysChild Nobody's Child]]" and "[[Recap/JAGS04E24Goodbyes Goodbyes]]", is a [[AxCrazy remorseless psychopath]]. He viciously beats and strangles [[WouldHurtAChild five-year-old girl Annie Lewis to death]], solely because he feels she may have disrespected him. After the murder, Lynch opts to target Annie's twin sister Dar-Lin for fun. He later kidnaps said sister and hold her hostage to torment her mentally before he plans on murdering her as well. In addition, he also kills his Master Chief, as well as two other women, one of whom--the aunt of Annie and Dar-Lin--he stomps to death just like he did Annie.

''[[AC:Series/{{NCIS}}]]''
* Kyle Thomas Boone, from season 3's "[[Recap/NCISS03E03 Mind Games]]", was a SerialKiller responsible for over 20 deaths. When he was twelve years old, he [[{{Matricide}} murdered his mother]], and later devoted himself to starting a career in killing women. He would torture them to death, carve a heart shape in their backs, and would often [[CreepySouvenir take their tongues as trophies]]; he claimed these tongues were his "favorite sexual organs". When he was finally sentenced to be executed by the electric chair, Boone attempted to stay his execution and formulated a plan that involved setting up his lawyer Adam O'Neill as [[JackTheRipoff a copycat killer]]; Adam then kidnapped Agent Cassidy and attempted to torture her to death, though he failed. Boone was also convinced to take the families of his victims to the sites where their loved ones were disposed of. He took them all the way to a Virginia farm, only to dampen their hopes by showing that there was nothing in the barn other than the severed tongues of his victims.
* James Landis, from season 3's "[[Recap/NCISS03E17 Ravenous]]", is a Park Ranger who is also a SerialKiller. His modus operandi involves killing his victims, then [[MakeItLookLikeAnAccident making it look like a park accident]] or like a bear ate them. Three of his victims, with similar appearances, were beaten 7-10 days before they were killed. He had already killed 26 people, and had a 27th victim tied up and beaten, but was stopped before he could kill her.
* Karen Bright, from season 4's "[[Recap/NCISS04E10 Smoked]]", appeared to be a grieving widow and loving mother, but is later revealed to be much more disturbed. In truth, she is a SerialKiller who has killed many women, usually who look like her, in very brutal fashions either by slashing their throats or stabbing them repeatedly in the chest. She would then [[CreepySouvenir take the toes of her victims]] before burying the victims in her backyard. She has done this to 19 women and shows no remorse, guilt, and mercy for doing so, even taking sexual pleasure from it. It is also revealed that she killed her husband once he discovered her murders, all while cutting off her own toes to make him look like the killer. Once she is caught and gives an utterly terrifying DeathGlare toward NCIS Agent Leroy Jethro Gibbs and FBI Agent Tobias Fornell, they are left utterly stunned on how quickly [[BitchInSheepsClothing she went from crying to glaring]].
* [[SerialRapist Louis Wexler]], from season 11's "[[Recap/NCISS11E21 Alleged]]", was a Commander in the United States Navy who used his high-ranking title to rape the female personnel under his command. He does so by accompanying them to a bar and buying them a round of drinks, then dosing the drinks with sedatives before dragging them to their respective homes and raping them while they were unconscious. He has done this to nearly a dozen women, and those are just the women that came fourth. When confronted with the overwhelming evidence against him, [[NeverMyFault instead of taking responsibility for his actions]], he tries to [[UsefulNotes/VictimBlaming blame the victims]], all while claiming to be the innocent one, much to the team's disgust.
* [[TheCorrupter Daniel Budd]], from the final two episodes of season 12 and the season 13 premiere, was the leader of [[TerroristsWithoutACause the Calling]], a terrorist group responsible for recruiting children through the Internet for the purpose of turning them into [[ChildSoldiers terrorists]] or [[SuicideAttack suicide bombers]]. Those he turns to terrorism are sent to kill several naval agents, while those he turns into suicide bombers blow themselves up in highly-populated areas; he sent a young boy to blow himself up at Cairo, Egypt, killing dozens, because an NCIS agent was located there. When the adoptive parents of a young boy try to convince him to leave the Calling, he has them killed. When one child is arrested, Budd has him killed just so he won't say anything. He then uses an adopted child to try to kill Agent Leroy Jethro Gibbs, with his next plan to [[FalseFlagOperation destroy Shanghai and make it look like the North Koreans]]. His reasons for doing all of this was to kick-start a war simply because he wanted to kill thousands.
* Robert Hill, from season 16's "[[Recap/NCISS16E13 She]]", abducted the then-18-year-old and pregnant Morgan Burke, and made her his SexSlave, beating and raping her for 10 years. He would also [[WouldHurtAChild abuse the daughter]] Morgan gave birth to for 9 years, who it is also implied he raped . When Morgan's daughter escapes Hill's captivity, Hill tries to cover his tracks by killing [[SiblingMurder his own brother]] when he learned about his crimes, then attempted to murder Morgan and NCIS agent Eleanor Bishop at a lake.

''[[AC:Series/NCISLosAngeles]]''
* [[PoliticallyIncorrectVillain Malcolm Tallridge and John Bordinay]], from season 1's "Ambush", are the heads of a dangerous militia group called "[[WesternTerrorists Enhancing Law Enforcement]]", a group known for killing immigrants or anyone who remotely looks like one, and a group which has stolen several anti-tank missiles. Tallridge, the leader, would order the hits, while Bordinay, described by Special Agent Mike Renko as a "paranoid nut job", served as [[TheDragon his second-in-command]], and would carry them out without the slightest hesitation. Their actions resulted in the deaths of over a dozen immigrants, [[WouldHurtAChild including three children]], who were chased into the desert and died of thirst. They are also [[BadBoss just as brutal and ruthless to their men]]; when a member, Scott Reilly, brings in NCIS agent Callen into their fold without their knowledge, they have Reilly killed without a second thought.
* "[[AxCrazy The Phantom]]", real name Tom Smith, was a notorious SerialKiller who appeared in season 1's "Random On Purpose". Taking great pleasure in killing throughout his life, he started [[BadPeopleAbuseAnimals killing animals]] as a child, before moving on to humans as an adult. He traveled to many small cities where he would use his job as a receptionist to lure anyone, regardless of age or gender, into traps and kill them in various fashions. His killings grabbed the attention of Abby Sciuto, who travels to Los Angeles when she heard of his latest kill taking place there. When he notices Abby, he kidnaps her where he tell her about all of his murders and how she and him have a "connection" and Abby, in disgust, responds by calling him a creep. [[DisproportionateRetribution Feeling insulted]], Smith then tries to [[OffWithHisHead decapitate her with an axe]] before being killed by the Los Angeles team who came to rescue Abby.
* [[AfricanTerrorists Tahir Khaled]], Agent Sam Hanna's ArchEnemy, is a Sudanese terrorist and war criminal--demonstrated by a mass grave of his victims in his first appearance. First appearing in season 3, he brutally murders three CIA agents and tortures Agent Sam Hanna. He later arranges for his [[BigBrotherBully abused sister]] Jada to be killed, only to have a recently-rescued Sam save her. Upset that Jada will testify against him, Khaled sought vengeance against Sam during season 7 by targeting the latter's loved ones, ranging from launching a missile at his family's home, to appearing at his son's school with the intent to kill him, while callously killing innocents along the way. Upon being arrested, he arranges for his escape near the end of season 8 by [[IHaveYourWife kidnapping Sam's wife, Michelle]], to use as a bargaining chip for his release. Despite being released, [[spoiler:Tahir has her asphyxiated, then steals her body to [[DesecratingTheDead desecrate it]]]]. When Tahir manages to lure Sam to him in a bus, he attempts to detonate a bomb he placed inside said bus, intending to take Sam as well as everyone else in the bus with him to the grave.
* [[TheChessmaster Marcel Janvier]], aka "The Chameleon", runs several cartels from behind the scenes, while he acts as the driver. He kills people by incinerating them in their cars and plays a dangerous game of "hide and seek" where he forces people to act as him to lure them to dead ends, killing them in the process. When infiltrating the NCIS, he [[CopKiller murders]] and assumes the identity of a police officer to infiltrate the operation to capture him. In his proper debut, Janvier set up a family of {{arms dealer}}s to be killed by the police and [[ExternalCombustion car bombs]] [[spoiler:Agent Lauren Hunter]] before blackmailing the NCIS by threatening to inform Iran of a US spy working in Tehran. He later returns, with a hand severed, at the end of season 4, having been brought in by NCIS to broker a deal that would help them capture his old friend Isaak Sidorov, and offer him revenge against the Iranians for removing his hand. However, in the process, Janvier tells Sidorov that Sam is an undercover agent, resulting in the torture of Sam and Deeks. When Agent G. Callen confronts him about it, all [[ArchEnemy the Chameleon]] has to say is that his goal in life is to now make Callen suffer.
* [[SerialKiller Peter Clairmont]], from season 3's two-parter "Blye, K.", was a US sniper who killed a man in a drunken rage. To cover up his crime, he would murder over 15 potential witnesses, one of whom was his former comrade [[YouKilledMyFather Donald Blye]], who he beat to death, before making his death [[MakeItLookLikeAnAccident look like a car accident]]. When he learns that Donald's daughter, NCIS Agent Kensi Blye, was investigating her father's death, he would go on to murder the rest of his former unit, only leaving Alex Harris alive so he can bring Kensi to him, killing him afterwards. After engaging a brutal fight, Alex attempts to shoot Kensi InTheBack, before he himself is killed by Owen Granger.
* [[WouldHurtAChild Pritam Mondal]], from season 7's "Seventh Child", runs a terrorist organization that kidnaps children in [[UsefulNotes/ThirdWorld third world countries]] and raises them to become suicide bombers against the US, by [[MindRape brainwashing them into believing that their parents abandoned them]] and that the only way to reach heaven was to kill themselves in the name of Islam. He has done this to many children and some end up so psychologically damaged that they would rather blow themselves up than receive help. When one of the children rebels against Pritam, he still straps the bomb vest on him and his twin brother and forces them to blow themselves up in a public, with the twin brother getting killed. When NCIS breaches his headquarters he was more than willing to surrender to them just so he won't get killed. When NCIS agent Kensi Blye calls him out on [[DirtyCoward his willingness to save himself]] despite [[{{Hypocrite}} telling children they should sacrifice themselves]], Pritam simply responds with a grin.
* [[InsaneAdmiral Joram Naser]], from season 10's "Better Angels", is a Syrian general responsible for unleashing chemical weapons on his country's civilians, killing hundreds of innocent people, women and [[WouldHurtAChild children]] included. When an NCIS agent was sent to investigate Naser, he proceeds to kidnap the agent before [[ColdBloodedTorture torturing]] him to death, constantly subjecting him to [[ElectricTorture electrocution]]. When a Syrian doctor, David Sarraf, steals a flash drive containing Naser's atrocities, the latter rams David with a vehicle before leaving him to suffer, mockingly telling him that a good man would put a bullet in his head, to put him out of his misery.

''[[AC:Series/NCISNewOrleans]]''
* [[{{Sadist}} Operatives "Lin" and "Davis"]], from season 3's "Quid Pro Quo", are agents from the Chinese government tasked in finding a subject to test a super virus the government recently created, though they go way beyond what was assigned. Upon arriving in New Orleans they kidnap three American citizens, then proceeded to [[ManOnFire burn them alive]], two so they could take their identities and the third [[ForTheEvulz simply because they could]]. They then storm into a local bakery and force the baker to [[TamperingWithFoodAndDrink poison a cake with their virus]], only to kill him with the virus once [[YouHaveOutlivedYourUsefulness they are done with him]]. They ship the cake to a Navy base, killing seven Navy personnel, and later infecting Medical Examiner Loretta Wade with the virus. Despite already testing their virus, they decide to unleash their virus onto the air and into the city, attempting to kill hundreds if not thousands. This fails, and the team attempts to capture them alive due to their knowledge of where they are keeping the antidote. This results in one operative dying attempting to kill them, and the other committing suicide just so they could not find the antidote.
* [[PsychoForHire Mr. John Stone]] appears in the last episodes of season 3 working for [[CorruptPolitician Mayor Douglas Hamilton]], as well as one of the main investors of the latter's project to turn the neighborhood of Clearwater into a naval shipyard. They plan to do this by opening the floodgates, despite 2,000 people still living there. Under Hamilton's employment, Mr. Stone has already murdered nearly a dozen people, including a Marine investigating the project's shadier dealings, an innocent bystander to distract the team chasing him, and has even [[TheCorrupter convinced]] Hamilton to kill Congresswoman Michelle Angelou, an opponent of the project, when he himself failed. At one point he sends his men to fight Dwayne Pride in his bar while he plants explosives inside, destroying Dwayne's bar, [[BadBoss killing his own men]], and nearly killing Dwayne himself before he was able to turn the tables on Stone. Dwayne later finds out that Stone plans to drown the 2,000 people still living there. Though nominally subservient to Mayor Hamilton, Mr. Stone's [[LackOfEmpathy lack of regard for his boss and human life in general]], as well as the [[WellIntentionedExtremist Mayor's good intentions for New Orleans]] in favor of {{Greed}} and [[ItsAllAboutMe self-interest]], cements Mr. Stone as a greater threat, a more formidable enemy, and among the franchise's most wicked.
* [[CorruptPolitician US Assistant Attorney General Eric Barlow]], from season 4's last three episodes, got to his high position by [[FrameUp framing]] dozens of politicians with crimes, [[FakeUltimateHero while acting as the hero "uncovering" them]]. He intends to increase his power by orchestrating a terrorist attack during the New Orleans Tricentennial Fleet Week, hoping to kill thousands of attendees there, including New Orleans Mayor, Zahra Taylor, while replacing her with his puppet [[spoiler:Deputy Chief Gosset]]. Barlow also makes sure no one interferes with this plan as he has [[spoiler:Gosset]] and Amelia [[HeKnowsTooMuch kill anyone who knows of it or his corruption]]. He also arranges many assassination attempt in the guise of riots against Dwayne Pride, and when they all fail, he decides to use Pride as his scapegoat for the terrorist attack, while he sweeps in after the attack to arrest him, pretending to be the hero.

''[[AC:Series/HawaiiFive0]]''
* [[EvilCripple Ray Beckett]], from season 3's "Ho'opio", runs a kidnapping ring where he has [[WouldHurtAChild kidnapped numerous children whom he would abuse]] until they reach adulthood, where he proceeds to kill them by [[BuriedAlive burying them alive]]. Amanda Rollins was only 7 years old when she was kidnapped, and killed ten years later. He would also [[DomesticAbuse beat his wife regularly]] to keep her quiet and cooperative. When the Five-0 task force arrests him and demand why he did all this, he responds that [[{{Greed}} he could profit from the welfare checks that were given to the children]], and mocks the parents' grievance over the children that he killed.
* [[SmugSnake Ian Wright]], from season 4's "Akanahe" and "O ka PiliʻOhana ka ʻOi", is a [[TheCracker hacker]] who would steal security codes, then sell them to criminals who would use them to cause the deaths of thousands of innocents. Motivated only by {{greed}} and his own [[ItsAllAboutMe ego]], he would later endanger over 300 people by threatening to cause a plane to crash if he were not released. His demands are met, but he [[ILied still tries to crash the plane anyway]]. Later reappearing, he kidnapped Grover's daughter and put her in a cage, in an attempt to force him to steal 100 million dollars for him; he also killed an innocent old man just to get his house. He would later reveal that he never intended to actually let Grover's daughter go and was planning on killing her anyway even if he did get the money. Ian is a cold-blooded sociopath who cares only about money, and ranks among the very worst the franchise has to offer.
* [[FourEyesZeroSoul Jonathan Redmond]] appears in the season 5 premiere "Aʻohe Kahi e Peʻe Ai", where he hacks into a military drone and decides to see if it works by killing two innocent hikers. Then, he uses the to terrorize the entire island killing as many people as he can, killing and wounding dozens, if not more. It reached the point where the authorities had to put the entire island on lockdown just so they could find without him killing any more. When the Hawaii Five-0 task force tries to find him, they learn that [[PsychoForHire he was hired]] by a fugitive wanted for espionage to cause a distraction while the fugitive, who didn't want a massacre, would discreetly escape the island. Once they manage to track Redmond they asked him why he did all those things, Redmond responds that [[ForTheMoney he would make money from it]], and that this incident was far from his first.
* [[MiddleEasternTerrorists Nashid El Hamadi]], from season 7's "No ke ali'i wahine a me ka 'aina", is a terrorist infamous for bombing the British Embassy in Madrid, killing and injuring numerous people. He tries to top himself by attempting to uses a cyber key called Greystone to hack nuclear power plants all over Europe and destroy them, which would lead to a disaster ten times worse that UsefulNotes/{{Chernobyl}} and the death of thousands, if not millions. After his plans were foiled by the Five-0 task force and MI6 agent Harry Langford, who then proceed to arrest El Hamadi, he attempts to kill them.
* [[HumanTraffickers Emilio and Deon]], from season 7's "Puka 'ana" and the season finale "Ua Mau Ke Ea O Ka Aina I Ka Pono", run a human trafficking ring on Oahu where they kidnapped numerous young girls, [[WouldHurtAChild some being as young as seven]], and force them to become {{sex slave}}s, having their clients brutalize and rape them; some of these girls get shipped to the mainland. When Emilio gets captured and sells out his partner Deon for a reduced prison sentence, Deon takes the rest of his slaves to a truck, hoping to outrun the police chasing him, uncaring about the people he'll run over or if the girls might die.
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* [[TheCorrupter Daniel Budd]], from the final two episodes of season 12 and the season 13 premiere "[[Recap/NCISS13E01 Stop the Bleeding]]", was the leader of [[TerroristWithoutACause the Calling]], a terrorist group responsible for recruiting children through the Internet and , all for the purpose of turning them into [[ChildSoldiers terrorists]] or [[SuicideAttack suicide bombers]]. Those he turns to terrorism are sent to kill several naval agents, while those he turns into suicide bombers blow themselves in highly-populated areas, causing many casualties; he sent a young boy to blow himself up at Cairo, Egypt, causing dozens of innocent casualties, just to kill an NCIS agent located there. He also doesn't like any interference with his organization, so when the adoptive parents of a young boy tries to convince him to leave the Calling, he has them killed. As for the children he recruits, they are only tools in his eyes, and when one of them is arrested, he [[WouldHurtAChild has him killed]] just so he won't say anything. He also uses the said boy of adopted parents to kill Agent Leroy Jethro Gibbs, and nearly succeeds in doing so. Despite the failed attempt, Budd was still a menace and his next plan to destroy Shanghai and [[FalseFlagOperation make it look like the North Koreans]]. His reasons for doing all of this was to kick-start a war simply because [[ForTheEvulz he could]], as he was a pure sociopath who would murder hundreds, if not thousands, just to reach this selfish goal.

* [[AfricanTerrorists Tahir Khaled]] is a terrorist and war criminal from Sudan--demonstrated by a mass grave of his victims appearing in his first appearance--who serves as Agent Sam Hanna's ArchEnemy. First appearing in season 3, he brutally murders three CIA agents and tortures Sam for information. He later arranges for his sister Jada, whom [[BigBrotherBully he also regularly abuses]], to be killed, only to have a recently-rescued Sam save her. Upset only because Jada will testify against him, Khaled sought vengeance against Sam during season 7 by [[RevengeByProxy targeting the latter's loved ones]], ranging from launching a missile at his family's home to appearing at his son's school with the intent to kill him, while callously killing innocents along the way. Upon being arrested, he arranges for his escape near the end of season 8 by [[IHaveYourWife kidnapping Sam's wife, Michelle]], to use as a bargaining chip for his release. [[spoiler:[[ILied Despite being released]], [[YouSaidYouWouldLetThemGo Tahir kills her anyway]] via asphyxiation, then proceeds to steal her body and start to [[DesecratingTheDead desecrate it]]]]. When Tahir manages to lure Sam to him in a bus, he attempts to detonate a bomb he placed inside said bus, intending to take Sam as well as everyone else in the bus with him to the grave. Though lacking the body count of some other villains, Tahir Khaled makes up for this with his petty cruelty against Sam and his family and friends, cementing him as one of the franchise's most personal foes.
* "[[TheChessmaster The Chameleon]]", real name Marcel Janvier, is Agent Callen's ArchEnemy. Running several cartels from behind the scenes, the closest thing to an MO that he has is that he acts as the driver. He kills people by incinerating them in their cars and plays a dangerous game of "hide and seek" where he forces people to act as him to lure them to dead ends, which often results in their deaths in the process. When infiltrating the NCIS, he murders and assumes the identity of a police officer to infiltrate the operation to capture him. In his proper debut appearance, the Chameleon set up a family of arms dealers to be killed by the police and car bombs Agent Lauren Hunter before allowing his own arrest to blackmail the NCIS by threatening to inform Iran of a US spy working in Tehran. He later returns, [[AnArmAndALeg missing a hand]], at the end of season 4, having been brought in by NCIS to broker a deal that would help them capture Sidorov, one of the Chameleon's old friends, and would offer him revenge against the Iranians for removing his hand. However, in the process, the Chameleon covertly tells Sidorov that Sam is an undercover agent, resulting in the torture of Sam and Deeks. When Callen confronts him about it, all the Chameleon has to say is that [[ForTheEvulz his goal in life is to now make Callen suffer]]. Having no regard for human life and responsible for one of the highest bodycounts in the show, the Chameleon stands out as one of the most monstrous villains the NCIS franchise has to offer.

''JAG'' and its related series, including the MorePopularSpinoff ''NCIS'', have been around long enough to have some [[CompleteMonster really monstrous characters]].

* [[PoliticallyIncorrectVillain Malcolm Tallridge and John Bordinay]] from season 1's "Ambush" are the heads of a dangerous militia group called "[[WesternTerrorists Enhancing Law Enforcement]]", a group known for killing immigrants or anyone who remotely looks like one, and a group which has stolen several anti-tank missiles. Tallridge, the leader, would order the hits, while Bordinay, described by Special Agent Mike Renko as a "[[AxCrazy paranoid nut job]]", served as [[TheDragon his second-in-comand]], and would carry them out without the slightest hesitation. Their actions resulted in the deaths of over a dozen immigrants, [[WouldHurtAChild including three children]], who were chased into the desert and died of thirst. They are also [[BadBoss just as brutal and ruthless to their men]]; when a member, Scott Reilly, brings in NCIS agent Callen into their fold without their knowledge, they have Reilly killed without a second thought.
* [[AxCrazy "The Phantom"]], real name Tom Smith, was a notorious SerialKiller who appeared in season 1's "Random On Purpose". Taking great pleasure in killing throughout his life, he started [[TroublingUnchildlikeBehavior killing animals as a child]], before moving on to humans as an adult. He traveled to many small cities where he would use his job as a receptionist to lure anyone, regardless of age or gender, into traps and kill them in various fashions. His killings grabbed the attention of [[PerkyGoth Abby Sciuto]], who travels to Los Angeles when she heard of his latest kill taking place there. When he notices Abby, he kidnaps her where he tell her about all of his murders and how she and him have a "connection" and Abby, in disgust, responds by calling him a creep. [[DisproportionateRetribution Feeling insulted]], Smith then tries to [[OffWithHisHead decapitate her with an axe]] before being killed by the Los Angeles team who came to rescue Abby.
* [[ScaryBlackMan Tahir Khaled]] is a [[AfricanTerrorists terrorist from Sudan]] and a war criminal--we see a mass grave of his victims in his first appearance--who serves as Agent Sam Hanna's ArchEnemy. First appearing in season 3, he brutally murders three CIA agents and [[ColdBloodedTorture tortures Sam]] for information. He later arranges for his sister Jada, whom [[BigBrotherBully he also regularly abuses]], to be killed, only to have a recently-rescued Sam save her. Upset only because Jada will testify against him, [[RoaringRampageOfRevenge Khaled sought vengeance against Sam]] during season 7 by [[RevengeByProxy targeting the latter's loved ones]], ranging from launching a missile at his family's home to [[WouldHurtAChild appearing at his son's school with the intent to kill him]], while callously killing innocents along the way. Upon being arrested, [[GreatEscape he arranges for his escape]] near the end of season 8 by [[IHaveYourWife kidnapping Sam's wife, Michelle]]s to use as a bargaining chip for his release. [[ILied Despite being released]], [[YouSaidYouWouldLetThemGo Tahir kills her anyway]] via asphyxiation, then proceeds to [[DesecratingTheDead steal her body and start to desecrate it]]. When Tahir manages to lure Sam to him in a bus, he attempts to detonate a bomb he placed inside said bus, intending to [[TakingYouWithMe take Sam as well as everyone else in the bus with him to the grave]]. Though lacking the body count of some other villains, Tahir Khaled makes up for this with his [[EvilIsPetty petty cruelty]] against Sam and his family and friends, cementing him as one of the franchises most [[ItsPersonal personal foes]].

* Operatives "Lin" and "Davis", from season 3's "Quid Pro Quo", are agents from the [[RedChina Chinese Government]] tasked in finding a subject to test a [[TheVirus super virus]] the government recently created, though they go way beyond what was assigned. Upon arriving in New Orleans they kidnap three American citizens ,then proceeded to [[ManOnFire burn them alive]], two s they could take their identities and the third [[ForTheEvulz simply because they could.]] They then storm into a local bakery and force the baker to [[TamperingWithFoodAndDrink poison a cake with their virus]], only to kill him with the virus once [[YouHaveOutlivedYourUsefulness they are done with him]]. They ship the cake to a Navy base, killing seven Navy personnel. and later infecting [[TheCoroner Medical Examiner Loretta Wade]] with the virus. Despite already testing their virus, they decide to unleash their virus onto the air and into the city, attempting to kill hundreds if not thousands. This fails, and the team attempts to [[IWantThemAlive capture them alive]] due to [[WithholdingTheCure their knowledge of where they are keeping the antidote]]. This results in one operative dying attempting to kill them, and the other committing suicide just so they could not find the antidote.
* [[CharacterNameAlias Mr. Stone]] appears in the last episodes of season 3 as TheDragon to [[CorruptPolitician Mayor Douglas Hamilton]], as well as one of the main investors of the latter's project to turn the neighborhood of Clearwater into a naval shipyard, which they plan to do as soon as possible despite 2,000 people still living there by opening the floodgates. Under Hamilton's employment, [[PsychoForHire Mr. Stone]] has already murdered nearly a dozen people including a Marine investigating the project's shadier dealings, an innocent bystander to distract the team chasing him, and has even [[TheCorrupter convinced]] Hamilton to kill Congresswoman Michelle Angelou, an opponent of the project, when he himself failed. At one point he sends his men to fight [[TheLeader Dwayne Pride]] in his bar while he plants inside destroying Dwayne's bar, [[BadBoss killing his own men]], and nearly killing Dwayne himself before he was able to turn the tables on Stone. Dwayne later finds out that Stone plans to drown the 2,000 people still living there. Though nominally subservient to Mayor Hamilton, Mr. Stone's [[LackOfEmpathy lack of regard for his boss and human life in general]], as well as the [[WellIntentionedExtremist Mayor's good intentions for New Orleans]] in favor of {{Greed}} and [[ItsAllAboutMe self-interest]] cements Mr. Stone as a [[DragonInChief greater threat, a more formidable enemy]] and amongst the franchises most wicked.

* Kyle Thomas Boone from season 3's "Mind Games" was a SerialKiller responsible for over 20 deaths. When he was [[EnfantTerrible twelve years old]], he [[{{Matricide}} murdered his mother]], and later devoted himself to starting a career in killing women. He would torture them to death, carve a heart shape in their backs, and would often [[CreepySouvenir take their tongues as trophies]]; he claimed these tongues were his "favorite sexual organs". When he was finally sentenced to be executed by the electric chair, Boone attempted to stay his execution and formulated a plan that involved setting up his lawyer Adam O'Neill as [[JackTheRipoff a copycat killer]]; Adam then kidnapped Agent Cassidy and attempted to torture her to death, though he failed. Boone was also convinced to take the families of his victims to the sites where their loved ones were disposed of. He took them all the way to a Virginia farm, only to dampen their hopes by showing that there was nothing in the barn other than the severed tongues of his victims.
* James Landis from season 3's "Ravenous" is a Park Ranger who is also a SerialKiller. His modus operandi involves killing his victims, then [[MakeItLookLikeAnAccident making it look like a park accident]] or like a bear ate them. Three of his victims, who has similar appearances, were beaten 7-10 days before they were killed. He had already killed 26 people, and had a 27th victim tied up and beaten, but was stopped before he could kill her.
* Karen Bright, from season 4's "Smoked", [[BitchInSheepsClothing appeared to be a grieving widow and loving mother]], but is later revealed to be much more disturbed. In truth, she is a SerialKiller who has killed many women, usually who look like her, in very brutal fashions either by [[SlashedThroat slashing their throats]] or [[ImpaledWithExtremePrejudice stabbing them repeatedly in the chest]]. She would then [[CreepySouvenir take the toes of her victims]] before burying the victims in her backyard. She has done this to 19 women and shows no remorse, guilt, and mercy for doing so, even taking [[SexIsViolence sexual pleasure from it]]. It is also revealed that she killed her husband once he discovered her murders, all while [[WoundedGazelleGambit cutting off her own toes]] to [[FrameUp make him look like the killer]]. Once she is caught and gives an utterly terrifying DeathGlare toward [[TheProtagonist NCIS Agent Gibbs]] and {{FBI Agent}} Tobias Fornell, they are left mortally stunned on how quickly [[AWolfInSheepsClothing she went from crying to glaring]].
* [[SerialRapist Louis Wexler]] from season 11's "Alleged" was a Commander in the United States Navy who used his high-ranking title to rape the female personnel under his command. He does so by accompanying them to a bar and buying them a round of drinks, then dosing the drinks with sedatives before dragging them to their respective homes and raping them while they were unconscious. He has done this to nearly a dozen women, and those are just the women that came fourth. When confronted with the overwhelming evidence against him, [[NeverMyFault instead of taking responsibility for his actions]], he tries to [[VictimBlaming blame the victims]], all while claiming to be the innocent one, much to the team's disgust.
* [[TheCorrupter Daniel Budd]], appearing in the season 12 finale "The Lost Boys" and the season 13 premiere "Stop the Bleeding", was the leader of [[TerroristWithoutACause The Calling]], a terrorist group responsible for recruiting children through the Internet, all for the purpose of turning them into [[ChildSoldiers terrorists]] or [[SuicideAttack suicide bombers]]. Those he turns to terrorism are sent to kill several naval agents, while those he turns into suicide bombers blow themselves in highly-populated areas, causing many casualties; he sent a young boy to blow himself up at Cairo, Egypt, causing dozens of innocent casualties, just to kill an NCIS agent located there. He also doesn't like any interference with his organization, so when the adoptive parents of a young boy tries to convince him to leave the Calling, he has them killed. As for the children he recruits, [[BadBoss they are only tools in his eyes]], and when one of them is [[YouHaveFailedMe arrested]], he [[WouldHurtAChild has him killed]] just so [[HeKnowsTooMuch he won't say anything]]. He also uses the said boy of adopted parents to kill [[TheProtagonist Agent Leroy Jethro Gibbs]], and nearly succeeds in doing so. Despite the failed attempt, Budd was still a menace and his next plan to destroy Shanghai and [[FalseFlagOperation make it look like the North Koreans]]. His reasons for doing all of this was to kickstart a war simply because [[ForTheEvulz he could]], as he was a pure [[TheSociopath sociopath]] who would murder hundreds, if not thousands, just to reach this [[ItsAllAboutMe selfish]] goal.

* Rico Caldas and his [[NoNameGiven unnamed]] partner from season 3's "Bait" are both goons of Colombian drug lord Carlos Mendez. Eighteen years in the past Angela Meyers testified against Mendez, and then faked her death while she was out sailing. The goons go to the high school her son Kody attended to strap a bomb to his body with the intention of drawing Angela out and killing her along with him and his classmates. This would ensure that the authorities thought that Kody was to blame while Mendez got off Scot-free.

* [[EvilCripple Ray Beckett]], from season 3's "Ho'opio", runs a kidnapping ring where he has [[WouldHurtAChild kidnapped numerous children whom he would abuse]] until they reach adulthood, where he proceeds to kill them by [[BuriedAlive burying them alive]]. Amanda Rollins was only 7 years old when she was kidnapped, and killed ten years later. He would also [[DomesticAbuse beat his wife regularly]] make her keep quiet and be compliant to his schemes. When the Five-0 task force arrests him and demand why he did all this, he responds that [[{{Greed}} he could profit from the welfare checks that were given to the children]], and mocks the parents' grievance over the children that he killed.

* [[CharacterNameAlias Mr. Stone]] appears in the last episodes of season 3 as TheDragon to [[CorruptPolitician Mayor Douglas Hamilton]], as well as one of the main investors of the latter's project to turn the neighborhood of Clearwater into a naval shipyard, which they plan to do as soon as possible despite 2,000 people still living there by opening the floodgates. Under Hamilton's employment, [[PsychoForHire Mr. Stone]] has already murdered nearly a dozen people including a Marine investigating the project's shadier dealings, an innocent bystander to distract the team chasing him, and has even [[TheCorrupter convinced]] Hamilton to kill Congresswoman Michelle Angelou, an opponent of the project, when he himself failed. At one point he sends his men to fight [[TheLeader Dwayne Pride]] in his bar while he plants inside destroying Dwayne's bar, [[BadBoss killing his own men]], and nearly killing Dwayne himself before he was able to turn the tables on Stone. Dwayne later finds out] that Stone plans to drown the 2,000 people still living there. Though nominally subservient to Mayor Hamilton, Mr. Stone's [[LackOfEmpathy lack of regard for his boss and human life in general]], as well as the [[WellIntentionedExtremist Mayor's good intentions for New Orleans]] in favor of {{Greed}} and [[ItsAllAboutMe self-interest]] cements Mr. Stone as a [[DragonInChief greater threat, a more formidable enemy]] and amongst the franchises most wicked.

* [[WouldHurtAChild Pritam Mondal]], from season 7's "Seventh Child", runs a terrorist organization that kidnaps children in [[UsefulNotes/ThirdWorld third world countries]] and raises them to become suicide bombers against the US, by [[MindRape brainwashing them into believing that their parents abandoned them]] and that the only way to reach heaven was to kill themselves in the name of Islam. He has done this to many children and some end up so psychologically damaged that they would rather blow themselves than receive help. When one of the children rebels against Pritam, he still straps the bomb vest on him and his twin brother and forces them to blow themselves up in a public, with the twin brother getting killed. When NCIS breaches his headquarters he was more than willing to surrender to them just so he won't get killed. When NCIS agent Kensi Blye calls him out on [[DirtyCoward his willingness to save himself]] despite [[{{Hypocrite}} telling children they should sacrifice themselves]], Pritam simply responds with a grin.

* [[SerialKiller Charles "Charlie" Lynch]] from season 4 is a remorseless psychopath who kills at the drop of a hat for any reason. He begins in "[[Recap/JAGS04E17NobodysChild Nobody's Child]]" by stomping, beating, and strangling a [[WouldHurtAChild five-year-old girl to death]], solely because he feels she may have disrespected him. After the murder, Lynch opts to target her sister for fun. While initially stopped, he later returns in "[[Recap/JAGS04E24Goodbyes Goodbyes]]" to kidnap said sister and hold her hostage to torment her mentally before he plans on murdering her as well; we are also told that he killed his Master Chief and two other women, stomping one to death.

* While Ian Wright from season 4 was introduced in the episode "Akanahe" as a slacker who Steve and Grover must apprehend for not paying his parking tickets it is soon [[TheReveal revealed]] that he is wanted for [[NotSoHarmlessVillain much more heinous crimes]]. In truth he is a [[TheSociopath sociopathic]] [[TheCracker hacker]] known for hacking into highly secured areas in America, stealing security codes and selling them to those who could cause deaths in the thousands while he makes a quick buck. By the time they track him down in the airport to arrest him, he uses his hacking skills to take control of an airplane containing 300+ people hostage and is more than willing to plummet them to their deaths unless they let him go. When they do let him go, he still does it regardless, but fortunately the two and rest of the task force were just in time to prevent that from happening. He later appears in the season 4 finale "O ka PiliʻOhana ka ʻOi" where he shoots an old man just so he could stay in his home. He also [[IHaveYourWife kidnaps Grover's daughter]] so he could force Grover to steal 100 million dollars, and throughout the episode constantly taunts him about the his daughter's status causing Grover more emotional stress. He then reveals that he would have kill her regardless if Grover had gotten the 100 million dollars. His actions manage to [[EvenEvilHasStandards disgust Wo Fat]], who [[spoiler:shoots him dead the moment he sees him]].

* [[ScaryBlackMan Tahir Khaled]] is a [[AfricanTerrorists terrorist from Sudan]] and a war criminal--we see a mass grave of his victims in his first appearance--who serves as Agent Sam Hanna's ArchEnemy. First appearing in season 3, he brutally murders three CIA agents and [[ColdBloodedTorture tortures Sam]] for information. He later arranges for his sister Jada, whom [[BigBrotherBully he also regularly abuses]], to be killed, only to have a recently-rescued Sam save her. Upset only because Jada will testify against him, [[RoaringRampageOfRevenge Khaled sought vengeance against Sam]] during season 7 by [[RevengeByProxy targeting the latter's loved ones]], ranging from launching a missile at his family's home to [[WouldHurtAChild appearing at his son's school with the intent to kill him]], while callously killing innocents along the way. Upon being arrested, [[GreatEscape he arranges for his escape]] near the end of season 8 by [[IHaveYourWife kidnapping Sam's wife, Michelle]]s to use as a bargaining chip for his release. [[ILied Despite being released]], [[YouSaidYouWouldLetThemGo Tahir kills her anyway]] via asphyxiation, then proceeds to [[DesecratingTheDead steal her body and start to desecrate it]]. When Tahir manages to lure Sam to him in a bus, he attempts to detonate a bomb he placed inside said bus, intending to [[TakingYouWithMe take Sam as well as everyone else in the bus with him to the grave]]. Though lacking the body count of some other villains, Tahir Khaled makes up for this with his [[EvilIsPetty petty cruelty]] against Sam and his family and friendsm cementing him as Sam Hanna's [[ItsPersonal personal nightmare]].

* [[CharacterNameAlias Mr. Stone]] appears in the last episodes of season 3 as TheDragon to [[CorruptPolitician Mayor Douglas Hamilton]], as well as one of the main investors of the latter's project to turn the neighborhood of Clearwater into a naval shipyard, which they plan to do as soon as possible despite 2,000 people still living there. Under Hamilton's employment, [[PsychoForHire Mr. Stone]] has already murdered nearly a dozen people including a Marine investigating the project's shadier dealings, an innocent bystander to distract the team chasing him, and has even [[TheCorrupter convinced]] Hamilton to kill Congresswoman Michelle Angelou, an opponent of the project, when he himself failed. At one point he sends his men to fight [[TheLeader Dwayne Pride]] in his bar while he plants inside destroying Dwayne's bar, [[BadBoss killing his own men]], and nearly killing Dwayne himself before he was able to turn the tables on Stone. Dwayne later finds out] that Stone plans to drown the 2,000 people still living there. Though nominally subservient to Mayor Hamilton, Mr. Stone's [[LackOfEmpathy lack of regard for his boss and human life in general]], as well as the [[WellIntentionedExtremist Mayor's good intentions for New Orleans]] in favor of {{Greed}} and [[ItsAllAboutMe self-interest]] cements Mr. Stone as a [[DragonInChief greater threat, a more formidable enemy]] and amongst the franchises most wicked.

* [[CharacterNameAlias Mr. Stone]] appears in the last episodes of season 3 as TheDragon to [[CorruptPolitician Mayor Douglas Hamilton]], as well as one of the main investors of the latter's project to turn the neighborhood of Clearwater into a naval shipyard, which they plan to do as soon as possible despite 2,000 people still living there. Under Hamilton's employment, [[PsychoForHire Mr. Stone]] has already murdered nearly a dozen people including a Marine investigating the project's shadier dealings, an innocent bystander to distract the team chasing him, and has even [[TheCorrupter convinced]] Hamilton to kill Congresswoman Michelle Angelou, an opponent of the project, when he himself failed. At one point he sends his men to fight [[TheLeader Dwayne Pride]] in his bar while he plants inside destroying Dwayne's bar, [[BadBoss killing his own men]], and nearly killing Dwayne himself before he was able to turn the tables on Stone. Dwayne later finds out] that Stone plans to drown the 2,000 people still living there. Though nominally subservient to Mayor Hamilton, Mr. Stone's [[LackOfEmpathy lack of regard for his boss and human life in general]], as well as the [[WellIntentionedExtremist Mayor's well intentions for New Orleans]] in favor of {{Greed}} and [[ItsAllAboutMe self-interest]] cements Mr. Stone as a [[DragonInChief greater threat, a more formidable enemy]] and amongst the franchises most wicked.

* [[SerialKiller Charles "Charlie" Lynch]] from season 4 is a remorseless psychopath who kills at the drop of a hat for any reason. He begins in "[[Recap/JAGS04E17NobodysChild Nobody's Child]]" by stomping, beating, and strangling a [[WouldHurtAChild five-year-old girl to death]], solely because he feels she may have disrespected him. After the murder, Lynch opts to target her sister for fun. While initially stopped, he later returns in "[[Recap/JAGS04E24Goodbyes Goodbyes]]" to kidnap said sister and hold her hostage to torment her mentally before he plans on murdering her as well; we are also told that he killed two more women, stomping one to death.

* [[TheCorrupter Daniel Budd]], appearing in the season 12 finale "The Lost Boys" and the season 13 premiere "Stop the Bleeding", was the leader of The Calling, a terrorist group responsible for recruiting children through the Internet, all for the purpose of turning them into terrorists or suicide bombers. Those he turns to terrorists are sent to kill several naval agents, while those he turns into suicide bombers blow themselves in highly populated areas, causing many casualties; he sent a young boy to blow himself up at Cairo, Egypt, causing dozens of innocent casualties, just to kill an NCIS agent located there. He also doesn't like any interference with his organization, so when the adoptive parents of a young boy tries to convince him to leave the Calling, he has them killed. As for the children he recruits, [[BadBoss they are only tools in his eyes]], and when one of them is [[YouHaveFailedMe arrested]], he has him killed just so he won't say anything. He also uses the said boy of adopted parents to kill [[TheProtagonist Agent Gibbs]], and nearly succeeds in doing so. Despite the failed attempt, Budd was still a menace and his next plan to destroy Shanghai and make it look like the North Koreans did to kickstart a war between them. His reasons for doing all of this was simply to [[TheDreaded have the world fear him]] and in the end, he was a {{narcissist}}ic [[TheSociopath sociopath]] who would murder hundreds if not thousands, just to reach this [[ItsAllAboutMe selfish goal]].

''JAG'' and its related series, including the MorePopularSpinoff ''NCIS'' been aired long enough to have some really [[CompleteMonster monstrous characters]].

* Karen Bright, from season 4's "Smoked", [[WolfInSheepsClothing appeared to be a grieving widow and loving mother]], but is later revealed to be much more disturbed. In truth, she is a SerialKiller who has killed many women, usually who look like her, in very brutal fashions either by [[SlashedThroat slashing their throats]] or [[ImpaledWithExtremePrejudice stabbing them repeatedly in the chest]]. She would then [[CreepySouvenir take the toes of her victims]] before burying the victims in her backyard. She has done this to 19 women and shows no remorse, guilt, and mercy for doing so, even taking [[SexIsViolence sexual pleasure from it]]. It is also revealed that she killed her husband once he discovered her murders, all while [[WoundedGazelleGambit cutting off her own toes]] to [[FrameUp make him look like the killer]]. Once she is caught and gives an utterly terrifying DeathGlare toward [[TheProtagonist NCIS Agent Gibbs]] and {{FBI Agent}} Tobias Fornell, they are left mortally stunned on how quickly [[AWolfInSheepsClothing she went from crying to glaring]].

* Kyle Thomas Boone from season 3's "Mind Games" was a SerialKiller responsible for over 20 deaths. When he was [[EnfantTerrible twelve years old]], he [[{{Matricide}} murdered his mother]], and later devoted himself to starting a career in killing women. He would torture them to death, carve a heart shape in their backs, and would often [[CreepySouvenir take their tongues as trophies]]; he claimed these tongues were his "favorite sexual organs". When he was finally sentenced to be executed by the electric chair, Boone attempted to stay his execution and formulated a plan that involved setting up his lawyer Adam O'Neill as a copycat killer; Adam then kidnapped Agent Cassidy and attempted to torture her to death, though he failed. Boone was also convinced to take the families of his victims to the sites where their loved ones were disposed of. He took them all the way to a Virginia farm, only to dampen their hopes by showing that there was nothing in the barn other than the severed tongues of his victims.
* Season 3's "Bait" features Rico Caldas and his [[NoNameGiven unnamed]] partner, both goons of Colombian drug lord Carlos Mendez. Eighteen years in the past Angela Meyers testified against Mendez, and then faked her death while she was out sailing. The goons go to the high school her son Kody attended to strap a bomb to his body with the intention of drawing Angela out and killing her along with him and his classmates. This would ensure that the authorities thought that Kody was to blame while Mendez got off Scot-free.