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 ...

Megan Nichols, a bubbly 15-year-old girl, begins acting differently after her mother forbids her from dating her boyfriend, ...

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Text messages between Megan Nichols and Brodey Murbarger reveal a sexual relationship and plans to run away together.

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

When Britney Ujlaky disappears, a small Nevada town bands together to track down an unknown cowboy who’s a potential suspect. Some stories are memorable for their twists, people or locations. For Josh ...

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

Find out what's going on with the trial for Rex Heuermann, who is accused of several of the Gilgo Beach killings on Long Island, New York.

Laarn more about the ongoing search for Washington dad Travis Decker, wanted for the suspected murder of his three daughters.

Josh Mankiewicz Might Have Met Missing Mother in Dateline: Missing in America Season 4 Trailer: "Wow" The award-winning podcast returns with the stories of six missing persons, and those who "will not ...