Learn more about the most wanted murderers in the U.S. ahead of the Unknown Serial Killers of America premiere.

The series premiere of Unknown Serial Killers of America airs on Sunday, May 18, 2025, at 7/6c on Oxygen, following an all-new episode of Oxygen’s Snapped.

Learn what happened in the Sarah Maguire murder case, including how Brinlee Denison and Nicholas Johnson were caught.

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She was one of the people closest to Matthew Jacobs, but she also tried to profit off him after his tragic death. Oxygen’s ...

Unknown Serial Killers of America is produced by Pantheon Media Group. Steven Michaels, Jodi Flynn, Andi Walker Ochoa, Ariel ...

Friends Vivian Caraballo and Joann Feliciano are found murdered within weeks of each other, but were they targeted by the same person?

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Find out what happened to Agnes Jennifer Lee, 49, whose nude, lifeless body was found in a parking lot in the Atlanta ...

In October 2020 in Carrollton, Texas, a work colleague of 24-year-old Alyssa Burkett witnessed a shocking scene in the nearby ...

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