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Examines the stories behind the unsolved murders of four women across four decades in Northern Ireland.

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

A chronicle of the twisted lives of some of the most frightening, diabolical characters in recent history. Each two-hour episode traces the heinous,...

It's amazing the things that you can inherit from your family gene pool: blue eyes, a beautiful smile, a winning personality. But what about your...

Leading forensic profiler and serial killer expert Dr. Bryanna Fox examines the serial killer's path from childhood or early teens when worrying...

Suicide Cults is a gripping exploration into the lives of former cult members. David Koresh devotees detail their years inside Mount Carmel and a...

Thomas Randolph has been married six times, and four of his wives are dead. Several died under mysterious circumstances, leading some to call the...

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

Who killed Nora Dalmasso? In this true-crime series, family and journalists share the untold story of her murder and the media storm that followed.

As 131 bodies were discovered across 1970s Los Angeles, panic spread and police chased a lone suspect-only to uncover three killers, each with a...

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

Gripping clips of kidnappings, break-ins, wild car chases and other crimes rack up millions of views, but the stories behind these crimes are often...

The First 48 follows detectives from around the country during these first critical hours as they race against time to find the suspect. Gritty and...

Death row inmates convicted of capital murder give a firsthand account of their crimes in this documentary series.

This documentary series explores the 1960 brutal murders of three women in Starved Rock State Park in LaSalle County, Illinois, and the decades of...

A non-fiction investigative series of murder cases told through the personal experience of retired detective, Lieutenant Joe Kenda. Through...

Serial killer Jeffrey Dahmer confesses to his gruesome crimes in unguarded interviews, offering an unsettling view into a disturbed mind.

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

A six-part, true crime docuseries about a mysterious murder of Ken Rex McElro that took place in the ‘80s with at least 60 witnesses present,...

An overgrown field and a stretch of highway connect a series of grisly murders spanning several decades as grieving families search for answers.

Interviews with friends, family and Sally McNeil herself chart a bodybuilding couple’s rocky marriage — and its shocking end in a...

Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the...

The fascinating cases of every day, seemingly average moms, wives and girlfriends accused of murder. Did they really do it? And if so, why?

Honoring service members whose courage merited the awarding of a Medal of Honor, this docudrama series re-creates their inspiring true stories.