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Watch History's Greatest Mysteries Season 3 Episode 3 Online

  • 7.4/10
  • COUNTRIES: United States of America
  • Subtitles: English

An infamous Cold War cold case involving nine hikers found mutilated on a remote mountain slope; for over 60 years, authorities and amateurs alike have been trying to figure out what happened in a place that's been called "Russia's Area 51."