Investigation Discovery

The devil's minions find entry into our world through demonic portals.

Zak Bagans takes some special guests on a tour of his spine-tingling museum of the macabre.

The devil's minions find entry into our world through demonic portals.

The case of Robert Bessey.

When a driven investigative reporter in Chicago is asked to look into the unsolved murder of a local teacher.

Shockingly devious masterminds use their wits and wiles to manipulate, seduce and try to get away with murder.

In 2011, KC Grondin was charged with his girlfriend's murder. However, as Fatima Silva and Chris Anderson discover.

Perry Mikell admits he was a serial cheater, but insists he didn't kill his wife in a seedy motel room.

John and investigators follow the trail of a chilling 911 call regarding a double homicide. And.

A family feud escalates to brutal violence and John joins police in pursuit of a top ten FBI fugitive.

Delves into competing theories of complex crimes, which find witnesses and suspects pointing the finger at each other.

Delves into competing theories of complex crimes, which find witnesses and suspects pointing the finger at each other.

Two college football players go missing in New York.

When two women are murdered, police go public with evidence that points to a possible serial killer.

Over 30 years ago, a dangerous serial killer roamed the streets of a tropical paradise.

Stephen Bennett was vacationing in Goa, India.

LAPD Homicide Detective Lindy Gligorijevic deals with a baffling case after a man opens fire on a ninja who broke into his home.

A 20-year-old disappears on the long drive home from her fiancé's place.

Two 20-year-olds suffer personal tragedies then have their own lives abruptly taken.

Shock spreads through the small border town of McAllen, Texas when Beauty Queen Irene Garza is found raped and murdered.

15 years after a girl goes missing.

Documentary focusing on small-town people whose decision to move to a major city turned out to be fatal.