
Series Intelligence
Signs of a Psychopath
Leak Intelligence
WEB leaks detected
Latest detection
S11E19That's When My Nightmare Started
1080p WEB · Episode release date: Oct 20, 2026
First detected Oct 21, 2026, 3:46:53 AM EDT
+1 day
S11E18Evilness Inside My Head
1080p WEB · Episode release date: Oct 20, 2026
First detected Oct 21, 2026, 3:46:50 AM EDT
+1 day
S11E15Everybody Believes in Bad People
1080p WEB · Episode release date: Oct 6, 2026
First detected Oct 7, 2026, 3:45:53 AM EDT
+1 day
Show 1 more detected episode
S11E14Can You Count Bullets?
1080p WEB · Episode release date: Oct 6, 2026
First detected Oct 7, 2026, 3:45:50 AM EDT
+1 day
Status
Returning Series
Network
Investigation Discovery
Audience Rating
7.8 / 10
Rating Votes
13
Origin
US
Last Air Date
Oct 27, 2026
Production
In Production
Current Season
Season 11
Next scheduled episode
No next air date confirmed
Series overview and metadata
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?
- First aired
- Aug 23, 2020
- Status
- Returning Series
- Network
- Investigation Discovery
- Seasons
- 11
Previous season schedules
Season 1 · 9 episodes
Season 2 · 6 episodes
Season 3 · 7 episodes
Season 4 · 10 episodes
Season 5 · 11 episodes
Season 6 · 10 episodes
Season 7 · 9 episodes
Season 8 · 10 episodes
Season 9 · 10 episodes
Season 10 · 11 episodes
Episode Intelligence
Season 11 Episode Timeline
19 episodes
Episode Intelligence
Season 11 Episode Timeline
S11E01I Guess I'm a ManiacAug 11, 2026
Runtime: 21m
Rating: 7.5 / 10
Covers a cold case in Florida involving a strangled woman and a surprise confession nearly a decade later exposing a sexual psychopath.
S11E02I Don't Belong Out HereAug 11, 2026
Runtime: 21m
Rating: 8.0 / 10
Follows a disturbed brother confessing to a multi-generational family slaughter and an older cold case, revealing a narcissistic psychopath seeking to return to prison.
S11E03I Can't Stop MyselfAug 18, 2026
Runtime: 21m
Rating: 8.2 / 10
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.
S11E04Violence Is What I'm Fixed OnAug 18, 2026
Runtime: 21m
Rating: 8.2 / 10
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.
S11E05I Think I Can Outsmart GodAug 25, 2026
Runtime: 21m
Rating: 8.5 / 10
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.
S11E06I Just Wanted To Hurt HerAug 25, 2026
Runtime: 21m
Rating: 7.8 / 10
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.
S11E07I've Got a Criminal MindSep 1, 2026
Runtime: 30m
Rating: 7.8 / 10
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.
S11E08I Wanted To Keep HerSep 8, 2026
Runtime: 21m
Rating: 8.2 / 10
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.
S11E09I Had Everybody FooledSep 15, 2026
Runtime: 42m
Rating: 8.5 / 10
Some of the most dangerous killers in modern history exhibit common psychopathic traits.
S11E10The Apocalyptic EndSep 22, 2026
Runtime: 21m
Rating: 8.0 / 10
A mass suicide later proves to be a murder orchestrated by a psychopathic family annihilator.
S11E11Something Took Control of MeSep 22, 2026
Runtime: 21m
Rating: 7.8 / 10
A psychopathic husband kills his young wife and leaves her decapitated head in a bathtub.
S11E12The Biggest Adrenaline RushSep 29, 2026
Runtime: 21m
Rating: 9.0 / 10
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.
S11E13That's What You Do With a KnifeSep 29, 2026
Runtime: 21m
Rating: 7.0 / 10
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.
S11E14Can You Count Bullets?Oct 6, 2026
Runtime: 21m
Rating: 9.0 / 10
After gunshots ring out in an apartment complex, a car crashes on a nearby freeway. The driver flees on foot, and police quickly discover a dead woman in the passenger seat.
S11E15Everybody Believes in Bad PeopleOct 6, 2026
Runtime: 21m
Rating: 9.0 / 10
The Stuart Police Department receives a frantic 911 call from a woman reporting that her husband has vanished.
S11E16Every Time Was Like ChristmasOct 13, 2026
Rating: 8.5 / 10
Advancements in DNA technology lead detectives straight to a psychopathic sexual predator.
S11E17He Got Such a Rush From ItOct 13, 2026
Runtime: 21m
Rating: 8.5 / 10
Police charge a son and his wife with the murder of his father until a tip comes from a woman claiming her ex-husband and his friend admitted to the brutal killing. Detectives interview the new suspects and uncover a pair of cold-blooded psychopaths.
S11E18Evilness Inside My HeadOct 20, 2026
Runtime: 21m
Rating: 7.0 / 10
S11E19That's When My Nightmare StartedOct 20, 2026
Runtime: 21m
Rating: 8.0 / 10
Release Intelligence
Episode Status
Most recently aired and next scheduled episodes.
Last Episode
Air Date
Oct 20, 2026
That's When My Nightmare Started
Runtime
21m
Audience Rating
8.0 / 10
Votes
1
Next Episode
No episode information is currently available.
Full series release history
Season history
Season 11Latest
Aug 11, 2026 · 19 episodes
Season 10
Aug 3, 2025 · 11 episodes
Season 9
Feb 16, 2025 · 10 episodes
Season 8
Jun 2, 2024 · 10 episodes
Season 7
Feb 25, 2024 · 9 episodes
Season 6
Jul 9, 2023 · 10 episodes
Season 5
Jan 22, 2023 · 11 episodes
Season 4
Mar 9, 2022 · 10 episodes
Season 3
Sep 14, 2021 · 7 episodes
Season 2
May 30, 2021 · 6 episodes
Season 1
Aug 23, 2020 · 9 episodes
Full series release history
Season history
Season 11Latest
Aug 11, 2026 · 19 episodes
Season 10
Aug 3, 2025 · 11 episodes
Season 9
Feb 16, 2025 · 10 episodes
Season 8
Jun 2, 2024 · 10 episodes
Season 7
Feb 25, 2024 · 9 episodes
Season 6
Jul 9, 2023 · 10 episodes
Season 5
Jan 22, 2023 · 11 episodes
Season 4
Mar 9, 2022 · 10 episodes
Season 3
Sep 14, 2021 · 7 episodes
Season 2
May 30, 2021 · 6 episodes
Season 1
Aug 23, 2020 · 9 episodes