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Watch Mark of a Killer Season 2 Episode 9 Online

  • 7.3/10
  • COUNTRIES: United States of America
  • Subtitles: English

A serial killer taunted Wichita, Kansas for decades with brazen letters taking credit for his horrific kills. At the introduction of the computer era, the killer gets sloppy and accidentally leaves a digital clue behind in his final taunt to police.