Learn more about serial killer Terry Rasmussen, whose crimes are detailed in Oxygen's Unknown Serial Killers of America.

When a man is found dead at a secluded rest stop, Ohio police suspect foul play within his family. As evidence builds, tensions rise, and reveal the work of a criminal mastermind intent on ...

A young woman steps out of her local deli only to be never seen again. When she’s reported missing days later, detectives from Staten Island find themselves mired in a maze of suspects and tracing her ...

A Valentine’s Day rendezvous in an Atlanta-area park turns deadly, and investigators race to find the killer of a beloved husband and cub scout leader. When detectives reveal the mastermind behind the ...

See the trailer for Peacock's new documentary, The Gilgo Beach Killer: House of Secrets, premiering this June.

Preview: The upcoming 3-part documentary takes viewers inside the home of accused killer Rex Heuermann and features conversations with those closest to him.

Learn more about Britney Ujlaky, 16, who vanished after getting a ride from her friend Bryce Dickey and was later found dead ...

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A beloved grandmother is found dead under mysterious circumstances - could a romantic rival have been her killer?

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Create a free profile to get unlimited access to exclusive videos, breaking news, sweepstakes, and more!

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