Mark of a Killer

About Mark of a Killer

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 crime and documentary series. Since January 2019 it has reached 4 seasons and 34 episodes.

American members can watch it on OXYGEN, Peacock Premium, and Peacock Premium Plus.

It carries a TV-14 rating.