Signs of a Psychopath
Available on Investigation Discovery, Food Network, Science Channel, Discovery, TLC, Travel Channel, HGTV, Prime Video, discovery+, iTunes, Hulu, Sling TV, Max, Animal Planet, Philo, AHC GO, Destination America GO, Discovery Life GO, Cooking Channel
Revisiting some of the most dangerous killers in modern history to see which psychopathic traits they exhibited.