The Alcàsser Murders

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

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

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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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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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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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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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Discover the untold story of the toxic and abusive environment inside '90s kids' TV. Hear harrowing accounts from former child stars and crew who probe the balance of power in the industry and reveal an era that inflicted lasting wounds still felt today.

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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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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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A revealing look at Sean 'Diddy' Combs' journey from music mogul to high-profile sexual offender, featuring footage and insider accounts that expose both his groundbreaking success with Bad Boy Entertainment and the troubling shadows behind his empire.

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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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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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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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From chilling betrayals to murder plots, this true-crime docuseries dissects the dark side of love through eyewitness testimonies.

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A unique look inside the mind of an infamous serial killer with this cinematic self-portrait crafted from statements made by Ted Bundy, including present-day interviews, archival footage and audio recordings from death row.

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Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

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