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.

Investigation Discovery

Teens plot the murders of their friends; one scheme involves a manipulative ex and a group bent on blood; the other, a calculating teen who brags on camera about a killing months in the making; both reveal the darkness of youth gone cold.

Signs of a Psychopath

Frenemies

Investigation Discovery HD

A mother, her kids and friends vanish in a mystery.; a slaughtered couple's son disappears; in both cases, young men toy with police, twisting facts and stalling for time; as lives hang in the balance, the truth hides behind lies.

Egomaniacs

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.

The Sexual Psychopath

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

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

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

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

S10 E10 | Guess I'm a Bad Dad