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.

Seasons

Season 1

Episodes: 6

Season 2

Episodes: 10

Season 3

Episodes: 14

Season 4

Episodes: 4