Unknown Serial Killers of America

TV series

Unknown Serial Killers of America

  • 2025
  • ★ 8.0
  • 2 seasons
  • 11 episodes
  • Oxygen
  • 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.

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Seasons

  • Stagione 16 episodes · 2025
  • Stagione 25 episodes · 2026

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Unknown Serial Killers of America (2025): seasons, episodes and cast · Showlist