犯罪心理研究小组隶属FBI，他们跨州行动，主要针对连环杀人案，从嫌疑人的犯罪心理和行为模式入手建立人物侧写，圈定罪犯的性别、年龄、职业特征、居住环境乃至成长经历，从而预测罪犯下一步行为，直至缉拿罪犯。他们的成员包括：高智商、强记忆力的少年天才斯拜瑟尔·瑞德博士——负责数据和资料分析；外冷内热的硬汉阿伦·哈奇——沟通能力极强，波多黎各小伙德里克·摩根——强制性犯罪行为专家；打扮招摇的小胖妹佩妮洛普·格西娅——数据库专家，美女媒体联络员JJ等，在老探员戴维·罗西带领下，飞往全美各地，展开一场场缉凶行动。
播出日期: 2010-09-22
运行时间: 42 min
概述: The BAU team closes in on the serial killer as he continues his murder spree throughout Los Angeles - with Detective Spicer's kidnapped daughter as his hostage - in the conclusion of last season's cliffhanger.
播出日期: 2010-09-29
运行时间: 42 min
概述: While JJ attempts to reunite a family whose daughter has mysteriously disappeared, her BAU family braces for the loss of one of their own.
播出日期: 2010-10-06
运行时间: 42 min
概述: When several women in Herndon, Virginia, are found murdered in a similar manner, SSA David Rossi reopens an unsolved cold case that has haunted him for a quarter of a century because he believes the original killer, who is suffering from Alzheimer's Disease, might have returned.
播出日期: 2010-10-13
运行时间: 42 min
概述: The team searches for a serial killer who is preying on married couples; Hotchner looks to a team member to fill JJ's vacant role.
播出日期: 2010-10-20
运行时间: 42 min
概述: The team pursues a serial killer targeting families in the Midwest; Morgan receives a visit from Ellie after she runs away from her foster family.
播出日期: 2010-10-27
运行时间: 42 min
概述: The team searches for a killer who has struck the past three years during Detroit's raucous pre-Halloween celebrations.
播出日期: 2010-11-03
运行时间: 42 min
概述: The BAU must catch a group of serial killers that is killing exotic dancers and leaving their bodies in the cornfields of Indiana.
播出日期: 2010-11-10
运行时间: 42 min
概述: The BAU becomes involved in the search for a kidnapped woman in the nation's capital after the body of a second kidnap victim is found in a Georgetown alley.
播出日期: 2010-11-17
运行时间: 42 min
概述: When an 8-year-old is found murdered on the Appalachian Trail, the BAU team goes deep into its forests in search of a man lurking in the wilderness who is targeting children.
播出日期: 2010-12-08
运行时间: 42 min
概述: The BAU searches inside a gated New Mexico community for a killer targeting women, and Hotchner looks to an FBI cadet with a unique past for help with the investigation.
播出日期: 2010-12-15
运行时间: 42 min
概述: Morgan suggests that a man has been rehabilitated and aids in his parole, but later regrets his decision when the man murders someone days after being released.
播出日期: 2011-01-19
运行时间: 42 min
概述: A series of bizarre, ritualistic murders brings the team to Miami; Reid experiences hallucinations and blinding headaches.
播出日期: 2011-01-26
运行时间: 42 min
概述: The BAU hits the road to track down a pair of young lovers on an interstate murder spree. Also, Prentiss hears frightening news from her former boss at Interpol.
播出日期: 2011-02-09
运行时间: 42 min
概述: The team investigates unusual murders in Los Angeles, and more information about Prentiss' past arises.
播出日期: 2011-02-16
运行时间: 42 min
概述: The BAU is called to upstate New York to investigate mysterious disappearances. Also, Prentiss gets some disturbing news about one of her former Interpol colleagues.
播出日期: 2011-02-23
运行时间: 42 min
概述: Prentiss enlists two former friends from Interpol to track down an old enemy, as Reid discovers clues that could help the BAU locate the parents of an autistic boy.
播出日期: 2011-03-02
运行时间: 42 min
概述: After a series of murders, Prentiss becomes suspicious of a former nemesis, and fears for the safety of her team.
播出日期: 2011-03-16
运行时间: 42 min
概述: As Prentiss faces off against Ian Doyle, JJ receives a call and returns to help them find Prentiss and capture Doyle before it's too late.
播出日期: 2011-03-30
运行时间: 42 min
概述: The BAU travels to Portland to investigate a suspected gang of murderers targeting a new victim each night.
播出日期: 2011-04-06
运行时间: 42 min
概述: The BAU members investigate targeted killings in Tampa as they cope with their feelings about losing Emily Prentiss.
播出日期: 2011-04-13
运行时间: 42 min
概述: The BAU hunts a stalker in San Diego who is targeting college students. Meanwhile, the team comes under Strauss' scrutiny in the wake of the loss of Prentiss.
播出日期: 2011-05-04
运行时间: 42 min
概述: The BAU is called to a North Carolina resort town after a woman is found badly injured and another woman is missing. On arrival, the team discovers these two women are not the only victims.
播出日期: 2011-05-11
运行时间: 42 min
概述: When the BAU is called to Florida after bodies are discovered buried in the ocean floor off the Jacksonville coast, the case hits home for Morgan because his aunt fears her missing daughter could be one of the victims.
播出日期: 2011-05-18
运行时间: 42 min
概述: As the BAU searches for a suspected human trafficking ring when the bodies of two missing persons are found in the trunk of a car, Unit Chief Aaron Hotchner intimates there could be changes within the team due to budget cuts as Jennifer "JJ" Jareau returns to the FBI. The team is also assisted by SSA Andi Swan, the head of the Domestic Trafficking Task Force.
