Watch Mark of a Killer (2019) Free Online

All serial killers commit murder to satisfy their grand fantasies, but the murderers featured in this true-crime docuseries take it one step further, committing heinous acts that allow them to extend their fantasies and relive the excitement of their crimes again and again.

Mark of a Killer is a 2019 documentary and crime TV series. The series has 4 seasons and 34 episodes.

  • First aired: 2019-01-20
  • Seasons: 4
  • Episodes: 34
  • Status: Returning Series
  • Genres: Documentary, Crime

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