Austin's Lady Bird Lake continues to yield bodies of predominantly male victims, raising questions about serial killer ...

Unknown Serial Killer of America unpacks the investigation leading to prolific Indiana killer Herb Baumeister, believed to ...

Each hour-long episode of Unknown Serial Killers of America profiles the horrific stories of these unconscionable criminals, and delves into what transformed them into evil monsters. With first-hand ...

Unknown Serial Killers of America episode 4 explores the series of crimes committed by Terry Rasmussen and his conviction in 2002. The episode made its release on Oxygen on June 8, 2025.

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The new Oxygen original series Unknown Serial Killers of America premieres Sunday, May 18 at 7/6c. The new series, which consists of six hour-long episodes, covers some of the nation’s most ...

Yet another body has been found in Lady Bird Lake, where some residents suspect a murderer has been on the loose.

Get all the details on the new "Unknown Serial Killers of America" docuseries premiering today, May 18. Find out how to watch for free.