Signs of a Psychopath Season 9: Episode Guide & Ratings

A disgruntled man decides that killing someone will make him feel better, so he chooses a random stranger and uses nine rounds to ruin two families' lives. Next, an egotistical kid attempts to persuade investigators that he beat a senior citizen to death in self-defense.

A husband cannot tolerate his in-laws staying with him and decides to remove them and his wife permanently. A killer admits his victim was no friend of his after first telling police the man was his best pal.

Teens break into a sleeping woman's home and mercilessly kill her and maim her daughter with a machete. As they coldly recount the night, police realize they are dealing with sociopaths. Two teens devise a devious plot to kill a girl in cold blood.

A missing man's half-eaten remains turn up in a pig pen, and the owner claims she shot him in a mercy killing, but there's another dark secret buried on her land. A woman fiercely denies her part in a murder, but her boyfriend knows the truth.

A sadist blames his girlfriend's murder on a friend, but after a visit from his aunt, he spills the terrible truth. Two kids are dead, and the killer refuses to talk to police.

A long-distance couple's happy reunion turns sour when a fight leads to the woman's disappearance but one person knows exactly where she is. Then, a bucket with horrific contents stuns police, but learning the circumstances around it, terrifies them.