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

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

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 ...

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

Sierra Jane Inscoe met Carson Sistrunk via Snapchat before meeting him in real-life Mississippi, where she shot him. Learn ...

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

Learn more about the "Hog Trailer Killer" Daniel Conahan Jr., as told in Oxygen's Unknown Serial Killers of America.

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Find out what happened to Andrea Zamperoni, head chef at a renowned Manhattan restaurant, who vanished and was later found dead in a Queens motel room.

Find out what happened to Margaret Abernathy, 66, found breathing but unresponsive in bloody pajamas in her Georgia home after her daughter called 911.

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When a beloved matriarch and businesswoman is found shot to death in her palatial home, investigators uncover a trail of deception and betrayal that leads to a killer whose identity stuns the ...