Hiện có trên USA, Oxygen, E!, Peacock, Telemundo, Syfy, Bravo, Hulu, NBC, Sling TV
All serial killers commit murder to satisfy their grand fantasies, but the murderers featured in "The Mark of a Killer," 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.
