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In the criminal justice system, sexually based offenses are considered especially heinous. In New York City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Unit. These are their stories.

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.

From Emmy Award winner

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.

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.

This show centers on the NYPD's Major Case Squad (and the offbeat, Sherlock Holmes-like Detective Robert Goren) in its efforts to stop the worst criminal offenders in New York. It also puts a new twist to the "Law & Order" formula: now, in each episode, we see the crimes as they are planned and committed.

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.

This show follows the nights of the detectives working at the Las Vegas Police Department Crime Scene Investigations bureau. Being the second busiest crime lab in America, CSI officers use the best scientific and technical methods to solve puzzles and catch criminals.

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.

Carrie Wells, a former police detective, has a rare ability to remember virtually everything she experiences including detailed visual recall. She returns to police work and uses her ability to solve crimes.

Brilliant, but socially inept, forensic anthropologist Dr. Temperence Brennan works at the Jeffersonian Institute in Washington DC. After consulting for him on a FBI case, she is approached by cocky yet charming Former Army Ranger turned Special Agent, Seeley Booth to help the Bureau solve crimes by identifying human remains that are too far gone for standard FBI forensic investigations. Brennan's empirical, literal view of the world causes friction with Booths emotive, instinctive attitude creating a volatile relationship. However as their case load increases the symbiotic partnership produces results and with the support of Brennan's Squint Squad, murderers, past and present should be on the look out.

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.

Blue Bloods follows the lives of the NYPD's First Family of Law Enforcement: the Reagans. Frank, the Police Comissioner and son of former PC Henry Reagan, must balance his duties of running the largest police force in the world and being his kids' boss. His daughter Erin is an Assistant District Attorney, son Danny is a senior detective and fellow Marine Veteran, and new Harvard Law grad turned cop, Jamie all swirl through this family drama and passionately defend their city from harm. The Irish-American family is deeply rooted in their patriotism, passion, and love of family.

Detective Jane Rizzoli and Chief Medical Examiner Dr. Maura Isles team up to solve crimes in Boston.

Having lost her medical license in the aftermath of a family tragedy, Megan Hunt M.D. joined the medical examiners and proved herself a forensic genius. Yet even diplomatic Medico-legal Investigator Pete Dunlop can't prevent her arrogant attitude and total disregard for any authority or social norm to cause grave aggravation all around. Still, as long as the perpetrators suffer most, the bulldozer approach pays off on the balance.

Special Agent Leroy Jethro Gibbs is the leader of a team of special agents belonging to the NCIS (Naval Criminal Investigative Service) Major Case Response Team. Gibbs, a former Marine, is a tough investigator and a highly skilled interrogator who relies on his gut instinct as much as evidence. Gibbs' second in command is Senior Field Agent Tony DiNozzo, a womanizing, movie-quoting former Baltimore Homicide Detective, who despite being the class clown always gets the job done. The team also consists of probationary field agent Eleanor Bishop, a former NSA agent, as well as Junior Field Agent Timothy McGee, a computer-savvy agent often mocked by DiNozzo. Assisting them are Abby Sciuto, the energetic-but-Goth lab tech who is like a daughter to Gibbs, and Dr. Donald Mallard, nicknamed Ducky, the eccentric medical examiner full of unusual stories. This team of elite agents, based in Washington, D.C., solve criminal cases involving Marine and Navy personnel and their families, sometimes traveling the United States - or the world - to do it.

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