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Investigation Discovery continues its heritage of providing in-depth  compelling documentaries & shows.

Investigation Discovery

Experts look at a subset of psychopaths who are motivated by their heightened sexual urges and fantasies; this subset of offenders doesn't just enact physical violence but sexual violence toward their victims and is known as the sexual psychopath.

Signs of a Psychopath

The Sexual Psychopath

Police first arrest a man for discharging a firearm and soon discover dead bodies inside his apartment; detectives try to make sense of the bloody crime scene and a psychopath willing to murder those closest to him.

Guess I'm a Bad Dad

Investigation Discovery continues its heritage of providing in-depth, compelling documentaries & series that challenge viewers to think about key issues that shape our culture and define our world.

An early morning fire inside an apartment complex soon reveals something worse, the dead bodies of a young woman and an infant boy; detectives find a psychopath who appears polite and gentle, then later as a pawn of imagined demons.

There's Eyes in the Closet

After the shooting deaths of father, mother, and two adolescent boys in their suburban Baltimore home, investigators realize it's not a robbery gone wrong but rather the execution of a loving family, done by a callous psychopathic killer.

It's for You Guys to Find

A killer guns down a 46-year-old woman, and detectives discover that a fleeing Sheriff's Deputy is the assailant; less than 48 hours later, they arrest him and reveal an unrepentant psychopath capable of executing the love of his life in cold blood.

I Love You to Death

When a young mother goes missing, her husband joins the search; police discover her dismembered body in a stack of bins; detectives find her husband to be a typical suburban dad, but learn a murderous psychopath lurks within.

It's Despicable and Gruesome

A vehicle plows down a 75-year-old military veteran on a country road in an apparent hit-and-run; when a young man confesses to the crime, detectives quickly learn they've encountered a psychopath with an intense desire to thrill kill.

I Just Smiled and Laughed

Police search for a killer who guns down a man in a parking lot.

He Went Boom

A psychopathic killer confesses decades after the murders of three women.

That Anger Would Rise Again

Authorities grow concerned when a 25-year-old woman reports her 50-year-old father and 6-year-old daughter are missing; police discover their dead bodies and uncover the truth: she is a psychotic killer.

Just Don't Want to Go to Jail

Police engage in a massive manhunt to find a killer on a murder spree of revenge, taking the lives of his girlfriend, cousin, and a man he considers a father figure; once captured, he proclaims that he simply wants to be heard.

I'm Already Seeing Red

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Revisiting some of the most dangerous killers in modern history to see which psychopathic traits they exhibited.

S10 E5 | I Just Smiled and Laughed

E12 | The Sexual Psychopath

E10 | Guess I'm a Bad Dad

E9 | There's Eyes in the Closet

E8 | It's for You Guys to Find

E7 | I Love You to Death

E6 | It's Despicable and Gruesome

E5 | I Just Smiled and Laughed

E4 | He Went Boom

E3 | That Anger Would Rise Again

E2 | Just Don't Want to Go to Jail

E1 | I'm Already Seeing Red