Explores the chilling cases of lesser-known serial killers whose crimes went unnoticed for years, leaving a trail of fear and unsolved murders before they were finally caught.
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6 episodes · May 18, 2025
You can stream Unknown Serial Killers of America on Peacock Premium, YouTube TV, Peacock Premium Plus, OXYGEN and Spectrum On Demand. It is also available to rent or buy on Amazon Video, Apple TV Store, Google Play Movies and Fandango At Home.
Yes — Unknown Serial Killers of America is still running and has been renewed for more.
Unknown Serial Killers of America has 2 seasons and 11 episodes, and first aired in 2025.
Unknown Serial Killers of America holds an average rating of 8.0/10 on TMDB, and it lands best with fans of crime and documentary. Join the discussion below to add your take.
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