在以下频道推出： 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.
