Mark of a Killer 2019

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.

  • Poster for Season 1

    Season 1

    2019

    6 episodes

    Season 1 of Mark of a Killer premiered on January 20, 2019.

  • Poster for Season 2

    Season 2

    2020

    10 episodes

    Season 2 of Mark of a Killer premiered on April 9, 2020.

  • Poster for Season 3

    Season 3

    2021

    14 episodes

    Season 3 of Mark of a Killer premiered on April 12, 2021.

  • Poster for Season 4

    Season 4

    2022

    4 episodes

    Season 4 of Mark of a Killer premiered on April 2, 2022.