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Based in Quantico, Virginia, the Behavioral Analysis Unit (B.A.U.) is a subsection of the F.B.I. Called in by local Police departments to assist in solving crimes of a serial and/or extremely violent nature where the perpetrator is unknown (referred to by the Unit as the unknown subject or "unsub" for short), the B.A.U. uses the controversial scientific art of profiling to track and apprehend the unsub. Profiling entails coming up with basic characteristics of the unsub and the victims (referred to as the victimology), using evidence from the case and matching that information to historic precedents and psychological analyses as a means to solve the case. Because of the nature of the work conducted by the B.A.U. - the work being time consuming and psychologically demanding - its members are fiercely loyal to the Unit and to its other members. Also because of the work's overall demanding nature, not many members of the B.A.U. have been able to maintain a happy or stable family life.

As any detective can tell you, investigating missing property or deaths is comparatively easy compared to elusive missing people. However in New York City, there is a special unit of the FBI that is designed to find them. Using the vast resources of their bureau, the team, lead by Agent Jack Malone, race against time in the tight 72 hour window after a disappearance while hope for a recovery is still typically possible.

About Jane Timoney, an iconoclastic female detective who has to make her bones in a tough New York precinct that is dominated by men.

An FBI agent and his new partner, a CIA operative, embark on missions to save the world, but have to put up with each other first.

There's no crisis situation they can't handle... unless it involves each other. Matt Flannery and Emily Lehman are the top-ranked negotiators in the FBI's Crisis Negotiation Unit (CNU). They're trained to talk their way through volatile situations. They're experts at knowing what makes other people tick. They're also sleeping together... a secret that they agreed to keep to themselves, until Matt revealed it to the entire world during a tense hostage standoff. The public revelation causes friction between Matt, who doesn't take much seriously and relies on gut instinct, and Emily, an academic who analyzes every move. Their relationship also gets them into major trouble with their boss, Cheryl Carrera, head of the Los Angeles CNU, and raises eyebrows among their CNU colleagues, including intelligence officer Lia Mathers. While Matt and Emily should be split up for being romantically involved, they're too valuable as a team. Together, they're among the best in their field; Cheryl knows it, and they know it. Week to week, Matt and Emily tackle much more than hostage crises. The CNU is called in to resolve everything from kidnappings and high-risk suicides to bomb threats, stalking cases and gang violence.

Former CIA operative is lured back to his old life when the NYPD needs his help to stop a serial killer. Dr. Dylan Reinhart (Alan Cumming) is a gifted author and university professor living a quiet life teaching psychopathic behavior to packed classes of adoring students. But when top NYPD detective Lizzie Needham (Bojana Novakovic) appeals to him to help her catch a serial murderer who is using Dylan's first book as a tutorial, Dylan is compelled by the case, comes out of retirement and taps into his old skill set. Though Dylan and Lizzie initially clash, when it comes to catching killers, they realize they will make an ideal team if they both trust their instincts. Based on the James Patterson book.

She disappeared. No one heard from her for six years. No one knows what happened to her, not even her. An FBI Agent tracking a Boston serial killer vanishes, and is declared dead. Six years later, she is found in a cabin in the woods, with no memory of what happened during the time she went missing. She comes back to a husband who has remarried, and whose wife is raising her son. She will have to navigate in her new reality, and she will soon find herself implicated in a new series of murders.

In the Los Angeles office of the Federal Bureau of Investigation, Special Agent Don Eppes and his team investigate critical and baffling crimes with a special edge. That advantage is Don's brother, Charles Eppes, a brilliant universalist mathematician who uses the science of mathematics with its complex equations to ferret out the most tricky criminals. With this team, the forces of evil learn their number is up.

Lilly Rush is a Philadelphia police detective working for the department's homicide squad and being assigned "cold cases": crimes that were committed many years before and have not been solved. Lilly must try to re-think the crime scenes and interview other people involved with the victims to find a link to solving the cases.

Malcolm Bright, one of the best criminal psychologists around, uses his twisted genius to help the NYPD solve crimes.

On the streets of San Francisco a team of the Federal Bureau of Investigation's Behavioral Analysis Unit use profiling to catch some of the most horrific serial killers and unidentifiable subjects.

Richard "Rick" Castle is a millionaire playboy who recently killed off his main character when a serial killer starts killing people like he does in his books. He teams up with New York police detective Kate Beckett to solve the case. He finds inspiration in Detective Beckett and starts shadowing her for his next book.

Deputy Police Chief Brenda Leigh Johnson, formerly Atlanta police officer and CIA-trained interrogator, is given the opportunity to run her own division of elite officers of the Los Angeles Police Department. Her unusual procedure for obtaining confessions, blatant disregard for politics, and southern accent make her a marked woman. However, with all the bluster and bravado, she still maintains her title, The Closer.

Based on Caroline Kepnes' best-selling novel of the same name, YOU is a 21st century love story that asks, "What would you do for love?" When a brilliant bookstore manager crosses paths with an aspiring writer, his answer becomes clear: anything. Using the internet and social media as his tools to gather the most intimate of details and get close to her, a charming and awkward crush quickly becomes obsession as he quietly and strategically removes every obstacle - and person - in his way.

A private investigator in Los Angeles reluctantly teams up with a former star of a hit cop show.

He's smart, he's good looking, and he's got a great sense of humor. He's Dexter Morgan, everyone's favorite serial killer. As a Miami forensics expert, he spends his days solving crimes, and nights committing them. But Dexter lives by a strict code of honor that is both his saving grace and lifelong burden. Torn between his deadly compulsion and his desire for true happiness, Dexter is a man in profound conflict with the world and himself. Golden Globe winner Michael C. Hall stars in the hit SHOWTIME Original Series.

A private detective teams up with an ex-cop to solve a kidnapping case in Montana.

Dr. Cal Lightman teaches a course in body language and makes an honest fortune exploiting it. He's employed by various public authorities in various investigations, doing more when the police etc. fail to go the extra mile. So he can afford to constitute a team of his own, which like clients and others has to put up with his mind-games.