The Twelve

Whether it's a cheating ex, a double-crossing co-worker, or the best friend who stabbed you in the back, it's human instinct to want to get even. Though most people don't act on this impulse, there are those who are consumed with getting even. For them, what starts as a nagging bitterness evolves into obsession and results in murder. This true crime documentary series profiles those stories of revenge, told through gripping interviews with the family members, community members, and law enforcement who experienced the events firsthand.

Jigsaw John is an American crime drama television series that aired from February 2 until June 14, 1976.

A true-crime series that examines the story of sadistic and meticulous killers who plan their victims’ murders for weeks, months or even years. Each stand-alone episode is brought to life through a tapestry of firsthand interviews with investigators and those close to the victim. Over the course of the hour, we’ll follow detectives on a winding investigation.

Host and retired detective Lt. Chris McMullin gives insights on crimes that took place in a region steeped in rich history and vibrant culture that is known for tenacity and grit. Archival footage, exclusive first-person interviews with former and current Philadelphia area detectives, and cinematic recreations provide an insider's view into the heartrending cases Philly's finest diligently worked to solve. The series delves into the twists and turns of the most harrowing murders committed in the city known as America's birthplace.

Charlie and Nicola Buchanan are crime scene cleaners whose unique quirks and talents solve the most baffling murder mysteries.

Cold Squad is a Canadian police procedural television series first broadcast in 1998 that followed the investigations of a part of the Vancouver Police Department Homicide Division tasked with solving cold cases, the titular Cold Squad, as led by Sergeant Ali McCormick (Julie Stewart). The cast of Cold Squad was diverse and changing, McCormick being the only character to appear in all 7 seasons. Between the second and third seasons, almost the entire on-screen cast other than Julie Stewart were replaced. This along with the new sets, a significant revamp of the credits and theme music, and even having McCormick's hair change from auburn to dirty-blonde all contributed to a considerable reworking of the series.

Carl Kolchak and his partner Perri investigate the mysterious death of Kolchak's wife and the paranormal phenomena plaguing their city.

Murder in the First follows homicide detectives Terry English and Hildy Mulligan as they investigate a multitude of tragedies in San Francisco.

When one of a group of friends downloads the mysterious Red Rose app, plans change. What starts innocently as a game of admiration rapidly descends into something much darker.

Incorporating bodycam footage from the initial crime scene, surveillance video, and interrogation room recordings, homicide investigations unfold through dramatic real video footage providing an up-close perspective on homicide investigations.

Dr. Temperance Brennan and her colleagues at the Jeffersonian's Medico-Legal Lab assist Special Agent Seeley Booth with murder investigations when the remains are so badly decomposed, burned or destroyed that the standard identification methods are useless.

Lust, gluttony, greed, sloth, wrath, envy and pride -- the true stories of everyday individuals who are pushed beyond the limits of the law by seven deadly sins are explored. The twists and turns of two similarly sinful cases are revealed. Deadly Sins: No Forgiveness is a spin-off series of Deadly Sins, an American documentary television series. The series examines the true evils that push beyond the limits of the law and reveals crimes driven by the most basic of human instincts

Investigating a murder is hard enough. But when detectives realize the killer knows how to stage a crime scene to throw them off, the job gets even more difficult. They’re hunting down criminals who are sworn to protect and serve -- killers with a badge.

Harry Bosch, an LAPD homicide detective, stands trial for the fatal shooting of a serial murder suspect. A cold case involving the remains of a missing boy forces Bosch to confront his past. As daring recruit Julia Brasher catches his eye and departmental politics heat up, Bosch will pursue justice at all costs.

A close-knit anthology series dealing with stories involving malice, violence and murder based in and around Minnesota.

Fermont: A remote mining colony in the endless frozen hell that is Canada's far North. The body of a young exotic dancer is found and the Quebec City police sends one of their toughest, most experienced detectives to investigate. Céline sure is always up for a challenge. Being cooped up in the massive structure that is the colony – the inhabitants simply call it “The Wall” – soon presents her with some challenges that exceed her investigative efforts.

Caitlin "Cat" Sullivan is an NYPD detective working in Brooklyn. After her driving privileges are suspended, she relies on Leo Romba, a highly skilled Brooklyn cab driver from France. Leo becomes Cat's driver and a consultant on her cases. While solving crimes with Leo, Cat is also running her own unauthorized investigation into the death of her father, an NYPD detective thought to have been executed by the Capella crime family. In doing so, she clashes with her boss, Captain Baker, and her ex-husband Gregg, who has picked up the case for the FBI.

Doctor Henry Morgan, New York City’s star medical examiner, has a secret. He doesn't just study the dead to solve criminal cases, he does it to solve the mystery that has eluded him for 200 years—the answer to his own inexplicable immortality. This long life has given Henry remarkable observation skills which impresses his new partner, Detective Jo Martinez. Each week, a new case and their budding friendship will reveal layers of Henry’s long and colorful past. Only his best friend and confidant, Abe knows Henry’s secret.

The Philadelphia homicide squad's lone female detective finds her calling when she is assigned cases that have never been solved. Detective Lilly Rush combines her natural instincts with the updated technology available today to bring about justice for all the victims she can.

Los Angeles County medical examiner Quincy routinely engages in police investigations.