Psychopath with Piers Morgan

The line between justice and revenge blurs when a devastated family uses social media to track down the people who killed 24-year-old Crystal Theobald.

Police pull over a woman who claims she just gave birth. But the baby — and the blood — aren't hers. Twisted lies unravel in this true-crime documentary.

Torture chambers, acid vats, greased chutes and gassing rooms were just some of the devices of death designed by the Torture Doctor, H.H. Holmes in his castle of horrors. Follows Holmes' entire life as a criminal mastermind.

A teen slams her car into a building, killing her boyfriend and his friend. What seems like a tragic accident becomes a murder case.

When Lonnie Franklin Jr. was arrested in South Central Los Angeles in 2010 as the suspected murderer of a string of young black women, police hailed it as the culmination of 20 years of investigations. Four years later documentary filmmaker Nick Broomfield took his camera to the alleged killer’s neighborhood for another view.

Set within the stark Icelandic landscape, OUT OF THIN AIR examines the 1976 police investigation into the disappearance of two men in the early 1970s.

When Juan Catalan is arrested for a murder he insists he didn't commit, he builds his case for innocence around unexpected raw footage.

Serving life in prison for murdering their parents, Lyle and Erik Menendez speak out in this documentary explaining the shocking crime and ensuing trials.

A chef's life is upended when a jet-setting, champagne-sipping, hotel-hopping woman claims to be his long-lost mother. This documentary reveals the untold story.

Unravel the case of Utah therapist Jodi Hildebrandt, whose child abuse arrest with parenting YouTuber Ruby Franke exposed a twisted tale of manipulation.