John Wayne Gacy: Devil in Disguise

Leading forensic profiler and serial killer expert Dr. Bryanna Fox examines the serial killer's path from childhood or early teens when worrying traits first come to the fore, the gradual pushing of boundaries and the disintegration of personal morality, and the culmination to murder or multiple murders.

Following the police force as they investigate high-profile crimes in Delhi, this series has seasons inspired by both real and fictional events.

Teen Michelle Carter’s actions shocked a nation — but what really happened behind closed doors?

Investigator Jan and profiler Louise constantly move around in the thrilling periphery of a murderer's view as they link a series of killings.

A chronicle of the twisted lives of some of the most frightening, diabolical characters in recent history. Each two-hour episode traces the heinous, criminal acts of these elusive miscreants and the eventual road to justice.

The documentary takes a detailed look at the disappearance of 3-year-old Madeleine McCann, who vanished while on holiday with her family.

Everything is not what it seems in Trinity, South Carolina. Sheriff Lucas Buck develops a sinister interest in Caleb. Caleb's cousin Gail tries to protect him, but that's complicated since she has feelings for Sheriff Buck. And Caleb's dead sister, Merlyn, returns as an angel, warning him that Buck is an incarnation of evil - and may not be human.

He dined with the powerful. He preyed on the vulnerable. Beneath a smiling exterior was the horrifying darkness of a sadistic serial killer.

Suicide Cults is a gripping exploration into the lives of former cult members. David Koresh devotees detail their years inside Mount Carmel and a Jim Jones follower recalls how she narrowly escaped death during the largest mass suicide in US history.

A series of murders alarm the police authorities, as strange symbolisms are traced to every crime scene. The eccentric professor of criminology Dimitris Lainis is asked to shed some light on the mystery.

Exploring the unbelievable true stories of suspicious deaths by retracing the investigation from start to finish, dissecting the red flags and undeniable evidence, and strange behavior that put the tragedy in question.

People Magazine explores shocking stories of ordinary people who, lured by promises of eternal life, get caught up in a terrifying web of abuse, deception, and manipulation. Explore the deeply disturbing world of cults through the eyes of survivors who managed to escape.

Disturbing cases featuring culprits who hide in plain sight, giving interviews, posting on social media and showing their faces while having blood on their hands the whole time.

There are over 100,000 cold cases in America, and only about 1% are ever solved. With recent advancements in technology and the methods used to solve these cases, as well as the unwavering dedication of victims’ families, law enforcement and the public, “Cold Case Files” explores the cases that defied the odds. Each episode of the Emmy-nominated series examines the twists and turns of one murder case that remained unsolved for years, and the critical element that heated it up, leading to the evidence that finally solved it. Featuring interviews with family members, friends, detectives, and others close to the cases, the refreshed classic series examines all facets of the crime and shines a light on a range of voices and victims.

This true crime series shows how innocent people have been convicted with dubious forensic techniques and tools such as touch DNA and cadaver dogs

Intelligence operatives from MI6 to the CIA share insider stories of spy craft, Cold War campaigns, and coups carried out by covert agents.

Crime author and investigator Jax Miller and former police investigator Sarah Cailean tackle a mystery that has stumped authorities for nearly two decades -- the confounding cold case of Lauria Bible and Ashley Freeman, two Oklahoma teenagers who disappeared in December 1999 after the Freeman family trailer was burned to the ground. In the four-part documentary series, the investigators delve into the many strange theories of the case and unravel a much larger story of unsolved murder, allegations of cover-up and corruption, and a truth that proves even more incredible.

From Executive Producer Dick Wolf, this true crime investigative series follows veteran prosecutor Kelly Siegler, and her rotating team of seasoned detectives, as they travel to small towns across the country and help local law-enforcement agencies dig into unsolved homicide cases that have lingered for years without answers or justice for the victims due to lack of funding and proper forensic technology.

What happens when the one you commit to spend your life with ends up taking it instead? This series looks at partner-homicide cases; stories of wives killing husbands, husbands killing wives (much more common), and love turning to loathing as passions get out of control.

This true crime series investigates newfound evidence and unanswered questions in famous criminal cases, such as the murder of Asunta Basterra Porto.