Unknown Serial Killers of America

Unknown Serial Killers of America (2025)

Documentary Crime

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.

  • First Air Date: 2025-05-18
  • Last Air Date: 2025-06-08
  • Total Seasons: 1
  • Total Episodes: 4
  • Network: Oxygen

Where to Watch Unknown Serial Killers of America Online

You can now watch Unknown Serial Killers of America online on the following streaming providers in the United States.


    • Seasons

    • Season 1

      6 Episodes