Unusual Suspects is an American documentary television series on Investigation Discovery. The series debuted on June 21, 2010. The series showcases many of the most shocking and difficult cases in law enforcement history, and also sheds light on the investigations that led to the arrest of the culprits.

Baffling symptoms. Controversial diagnoses. Costly treatments. Seven people with chronic illnesses search for answers — and relief.

H.H. Holmes builds a three-story hotel in Chicago where he tortures and kills an untold number of people visiting the city for the 1893 World’s Fair.

Reality series that follows high-level executives as they slip anonymously into the rank-and-file of their own organizations. Each week, a different leader will sacrifice the comfort of their corner office for an undercover mission to examine the inner workings of their operation.

Fascinating insights in the day and night life of some of America’s most famed metropolises. Along with showcasing each city’s iconic landmarks and often-surprising history, the series’ 4K cameras capture a bird’s-eye perspective of the frenzy of work and play that make each city so distinctive.

Deadliest Catch captain Josh Harris goes on a journey to uncover a mystery left behind by his father, legendary Bering Sea crabber Phil Harris.

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The fearless four quarantine themselves for two weeks in Bagans’ famed ‘Haunted Museum’ in Las Vegas, all by themselves.

Porn has gone mainstream; the question is, can we handle it? This exploration of the intersection of sex and technology is told through the stories of the people whose lives are defined by the current explosion of internet porn-whether they’re creating it, consuming it, or both.

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he stories behind what made and shaped the most notorious figures in Australian criminal history.

The holidays are meant to be a time of festive cheer when family and friends come together to celebrate the season. But when family members are forced to occupy the same space for too long, the joy and merriment can often morph into anger and resentment.