Signs of a Psychopath Season 11
For every sadistic psychopath...there were signs. Charm. Narcissism. Lack of empathy. Impulsiveness. Manipulation. Deception. These traits and others are the telltale Signs of a Psychopath. This harrowing half-hour archive series revisits some of the most brutal killers in modern history, reviewing news footage and the words of the killers themselves to see which terrifying traits each killer exhibited. What are the signs...of evil?
2 new Signs of a Psychopath episodes air Tuesday, October 20, 2026 on Investigation Discovery.
2 new Signs of a Psychopath episodes air Tuesday, October 20, 2026 on Investigation Discovery.
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Episode guide
Episodes
- 1
I Guess I'm a Maniac source at TVmaze
Detectives find a woman partially clothed and strangled to death in a wooded ditch in Florida. With no leads or suspects, her case goes cold. Then, a surprise confession almost ten years later exposes a deviant sexual psychopath with a murderous fantasy.
- 2
I Don't Belong Out Here source at TVmaze
When a disturbed brother slaughters three generations of a family, he quickly confesses and continues by confessing to a 10-year-old cold case. Detectives uncover a narcissistic psychopath with parasitic tendencies whose one goal is to return to prison.
- 3
I Can't Stop Myself source at TVmaze
When a 15-year-old Florida girl runs away with her troubled boyfriend, someone brutally murders a 66-year-old disabled man miles away in his home. Upon their apprehension, police discover the young couple are, in fact, thrill-seeking murderers.
- 4
Violence Is What I'm Fixed On source at TVmaze
After a mother of three mysteriously vanishes following a night out on the town, investigators uncover a sexual psychopath's nightmarish desires. Several days later, they discover her body in her own septic tank, revealing how callous the murderer is.
- 5
I Think I Can Outsmart God source at TVmaze
In the morning hours of Christmas Eve, motorists are horrified when they discover two bodies along the shoulder of I-85. When detectives catch the killer, they uncover a militant psychopath with a penchant for guns and violent rescue-mission fantasies.
- 6
I Just Wanted To Hurt Her source at TVmaze
When a young woman vanishes, it doesn't take long for detectives to zero in on her estranged husband. When questioned, he appears eerily calm and casual, but what they soon reveal is an impulsive and rage-driven psychopath who cannot tolerate rejection.
- 7
I've Got a Criminal Mind source at TVmaze
A killer brutally murders an elderly couple, and detectives quickly focus on their 17-year-old grandson who lives with them. When they finally capture him, they uncover a charismatic young psychopath with a hunger for fast food and revenge.
- 8
I Wanted To Keep Her source at TVmaze
When a grandmother vanishes, her grandson spins a twisted narrative about her demise and the disturbing location of her body inside a freezer. It doesn't take long for detectives to uncover the killer responsible ... a parasitic psychopath.
- 9
I Had Everybody Fooled source at TVmaze
When a mother, covered in blood and holding a barely breathing newborn, arrives at the hospital, medical staff uncover a faked birth. When investigators interview the woman, they soon realize they are dealing with a violent, infant-stealing psychopath.
- 10
The Apocalyptic End source at TVmaze
Weeks after Christmas, police find a wife and her three young children decomposing in their beds, while her husband is alive yet despondent. What appears to be a mass suicide later proves to be a murder orchestrated by a psychopathic family annihilator.
- 11
Something Took Control of Me source at TVmaze
When a psychopathic husband kills his young wife and leaves her decapitated head in a bathtub, detectives question him about the crime. When he offers little in the interview, they realize they are confronting a malingering psychopath with control issues.
- 12
The Biggest Adrenaline Rush source at TVmaze
When detectives find an elderly woman dead after someone stuffs her in her own closet, they know they are not dealing with a normal killer. Instead, they discover the culprit is a troubled teenager with a fantasy to rape and kill.
- 13
That's What You Do With a Knife source at TVmaze
When officers arrive at a suburban home regarding a felonious assault, they find a bloodied and lifeless woman in her minivan. Detectives later interview her estranged husband, revealing a rage-filled psychopath with a revenge fantasy inspired by a movie.
- 14
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- 17
- 18
- 19
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