Gone Girls: The Long Island Serial Killer

A true crime series offering viewers a first-hand account of dangerous criminal investigations from those closest to the action, the undercover agents themselves. Undercover agents are on the front lines, often risking their lives to gather evidence that may help take criminals off the streets. Each episode includes surveillance video and audio recordings from actual investigations to reveal the critical moments that could make or break a case—or an agent’s life. Living in secrecy and often unrecognized beyond their tightest circles, these agents rarely get to tell their stories, until now.

The story of Melissa Reed, daughter of Keith Jesperson, aka the Happy Face Killer. After decades of no contact, Keith forces his way back into his daughter’s life, and Melissa must find out if an innocent man is going to be put to death for a crime her father committed. In the process, she must face a reckoning of her own identity.

Cha Su-yeol, a police officer who has long despised his mother, the notorious 'Mantis' serial killer, must reluctantly turn to her for help when a copycat killer emerges.

Two childhood friends go from high school dropouts to the most powerful drug kingpins in Miami in this true story of a crime sage that spanned decades.

Via interviews with friends, players and insiders, this docuseries examines how Aaron Hernandez went from an NFL star to a convicted killer.

Keith David narrates stories that the swamp threatened to swallow forever, but detectives managed to drag out into the light. These investigators, family, and friends know that no matter how deep in the muck it’s buried, no sin stays secret forever.

Investigative crime journalist Debi Marshall explores one of Australia's most sensational murders – the case of the Lawyer in the Freezer.

A retired FBI serial-profiler joins the mysterious Millennium Group, a team of underground ex-law enforcement experts dedicated to fighting against the ever-growing forces of evil and darkness in the world.

A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the incident.

Through a mysterious Motorola phone, two detectives - one from the present, and the other from 15 years in the past - begin communicating and working together to solve cold cases. This is the Chinese adaptation of 2016 tvN Korean drama "Signal" .

Take a deep dive into the true-crime stories rocking headlines and social media feeds. These victims were young, the crimes against them were shocking and haunting questions remain.

Follow South Africa’s first forensic and investigative psychologist, Micki Pistorius (played by Charlotte Hope), as she studies the minds of South Africa's serial killers. Catch Me A Killer is an adaptation of Micki's autobiography that details her work as the first female criminal profiler in the country, which is brought to life as the events are depicted in the series.

The Markovič Method: Hojer is a six-part series about the capture and conviction of one of the most horrific serial killers in the era of normalization in Czechoslovakia, Ladislav Hojer, by the legendary detective Jiří Markovič.

Millions in stolen cash. Missing luxury bourbon. Watch ordinary people almost get away with these extraordinary heists in this true crime series.

This controversial true-crime series seeks to uncover the inner workings of the military justice system as former Army Lieutenant Clint Lorance faces 19 years at the United States Penitentiary in Leavenworth for the deaths of two local men in Afghanistan in July 2012.

Marie-Claude Savard and Sébastien Trudel propose a new investigation into a legal case that captivated Quebec in the 1980s. On December 15, 1987, Michelle Perron, 45, was found dead in her car. Her husband, director Gilles Perron, was at the scene of the crime. Thirty-three years later, the identity of the murderer remains a mystery.

Killed Without A Trace explores the cases where police and prosecutors try to prove a murder has happened without the most vital piece of evidence - a body.

At a grisly murder scene sits a figurine made of chestnuts. From this creepy clue, two detectives hunt a killer linked to a politician's missing child.

A five part Sky Original documentary series that will look into the unsolved case of Sophie Toscan du Plantier who was brutally murdered in West Cork in 1996. Using original evidence, never-before-seen footage and interviews with those closest to the case, including Sophie’s family and key suspect Ian Bailey, the series aims to unravel the unsolved case that has haunted West Cork for decades.

Uncovers the extraordinary truth behind some of the Mafia's most notorious outlaws, and reveals how the FBI and law enforcement developed the techniques to crack the organization and bring it to justice. This is the story of the rise and fall of the Mafia, told by the people who brought it down.