The Murders Before the Marathon

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

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

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

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Heinous criminals have avoided capture despite massive rewards and global investigations. This docuseries profiles some of the world’s most wanted.

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A group of bright Sarah Lawrence College students fall under the dark influence of a friend's father, Larry Ray. With unprecedented access to the survivors who lived with Ray, the series follows the cult from its origins through its still-unfolding aftermath.

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Who really laced Tylenol with cyanide? This true-crime series examines alarming theories behind the unsolved killings — and tracks down a key suspect.

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In 1991, four teenage girls were brutally murdered at a frozen yogurt shop in Austin, Texas. What happened that night forever shook the Austin community and continues to mystify the police and haunt the families left in the wake of unthinkable loss.

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Mixing present-day interviews with previously unheard recordings, this true-crime series examines serial killer David Berkowitz's mark on 1970s New York.

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Insider accounts and never-seen-before footage tell the story of the 7/7 bombings on London's transport network in 2005 — and its explosive aftermath.

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A tenacious mother unravels the complex mystery surrounding the 1989 disappearance of the daughter she placed for adoption.

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A non-fiction investigative series of murder cases told through the personal experience of retired detective, Lieutenant Joe Kenda. Through re-enactments, discussions with investigation teams, and interviews with victims' families and other involved persons, the show highlights Kenda's successes with his 400 homicide case history and 92 percent solution rate.

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After his son's tragic death, a Louisiana pharmacist goes to extremes to expose the rampant corruption behind the opioid addiction crisis.

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Through bodycam footage, texts and interviews with loved ones, this documentary investigates the horrifying murder of four University of Idaho students.

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Archive footage, chilling reenactments and exclusive interviews shed new light on a tragedy — and two brothers — that suspended a city in terror.

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In this true-crime documentary, a cult expert and filmmaker infiltrate a polygamist sect to expose a self-proclaimed prophet and bring him to justice.

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This true-crime series investigates the 1998 disappearance of a 23-year-old woman from a Caribbean cruise and her family's tireless search for answers.

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

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This intense documentary series details true stories of neighbors gone bad, from heinous fraud schemes to senseless acts of violent retribution.

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Police missteps and a media circus derailed the JonBenét Ramsey murder case. This definitive docuseries chronicles the decades-long quest for justice.

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

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