Available on Investigation Discovery, Food Network, Science Channel, Discovery, TLC, Travel Channel, HGTV, Prime Video, discovery+, Hulu, Sling TV, HBO Max, Animal Planet, Philo
Psychopaths live among us. They can be friends, family members, coworkers, or even lovers. Trying as they may to impersonate normal humans, there are always signs that reveal their true nature: calculating, narcissistic -- and sometimes, murderous.
