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

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Tracy Brosnan goes to the Asbury Park, New Jersey police station to report her boyfriend, Trupal Patel, as missing.

Nick Johnson and Brinlee Denison are entwined in a love triangle with Sarah Maguire, which ultimately leads to Sarah's brutal ...

Sarah Maguire's sister, Jamie Stavinoha, shares her beliefs on whether or not Brinlee Denison received a just sentence for ...

Find out what happened to Ayesha Turner, a 28-year-old mother of two, who was reported missing before a horrific discovery ...