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Dive into unhinged murder cases in which investigators uncover and expose the dark world of cults that kill. The series explores how power and...

New interviews and an up-to-date analysis of evidence shed light on the 1992 murders of three girls in Spain and their profound impact on the nation.

True-crime stories about murders that take place among close-knit groups of people, including coworkers, neighbors and community members.

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

Killers Behind Bars: The Untold Story is a British television documentary series. It is presented by David Wilson and is broadcast on Channel 5.

Ian Stewart murdered his partner, children's author Helen Bailey, in 2016. He dumped her and her dog in a septic tank at her Hertfordshire home, but...

A series that dives into the dark world of contract killings, showcasing some of the most fascinating murder for hire cases ever caught on tape.

In November 2015, a disturbing discovery of a human corpse thrust the quiet Welsh village of Beddau, into the spotlight. The identity of the deceased...

Tracks the rise and fall of serial killer expert Stéphane Bourgoin whose dark lies are exposed by sleuthing fans.

Working for nearly three decades with the Charlotte (N.C.) Police Department, Detective Gary McFadden has developed unorthodox methods that have...

The story of how the lottery invented to finance a zoo was incorporated by Rio de Janeiro's popular culture and, in the hands of organized gangsters,...

NBC News correspondents Keith Morrison, Josh Mankiewicz, Stephanie Gosk and Andrea Canning examine the final day of a victim’s life – the...

The Crains, a fractured family, confront haunting memories of their old home and the terrifying events that drove them from it.

Amid the stark discord of twin cities Piltover and Zaun, two sisters fight on rival sides of a war between magic technologies and clashing...

Rick is a mentally-unbalanced but scientifically gifted old man who has recently reconnected with his family. He spends most of his time involving...

The true story of one of the worst man-made catastrophes in history: the catastrophic nuclear accident at Chernobyl. A tale of the brave men and...

Twisted tales run wild in this mind-bending anthology series that reveals humanity's worst traits, greatest innovations and more.

Seven noble families fight for control of the mythical land of Westeros. Friction between the houses leads to full-scale war. All while a very...

Wednesday Addams is sent to Nevermore Academy, a bizarre boarding school where she attempts to master her psychic powers, stop a monstrous killing...

When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.

A gangster family epic set in 1919 Birmingham, England and centered on a gang who sew razor blades in the peaks of their caps, and their fierce boss...

To carry out the biggest heist in history, a mysterious man called The Professor recruits a band of eight robbers who have a single characteristic:...

An agent in the FBI's Elite Serial Crime Unit develops profiling techniques as he pursues notorious serial killers and rapists.

Based on the Pretty Little Liars series of young adult novels by Sara Shepard, the series follows the lives of four girls — Spencer, Hanna,...