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

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.

Find out why Muhammad Altantawi, 16, killed his mother, Nada Huranieh, and then threw her out the window of their Farmington ...

Police find tire tracks that do not match those on Richard Shoeck's car.

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Learn more about the crimes of murderer William "Bill" Suff, as told in Oxygen's Unknown Serial Killers of America.

Learn more about the trial against Australian woman Erin Patterson, who is accused of fatally poisoning her in-laws and ...

Learn more about the ongoing search for convicted killer Grant Hardin, five days after he escaped an Arkansas prison.

A man’s body is discovered in his Texas home, hidden for weeks after his murder. When police discover that his family is ...

Here's everything you need to know about accused Gilgo Beach Serial Killer Rex Heuermann, his family, his alleged victims, ...

Find out more about the latest developments in the case of missing mom Crystal Rogers, last seen in July 2015.