Investigation Discovery

Using cutting-edge technology, Sierra builds a DNA profile of Jim. Armed with the evidence she needs.

A man turns out to be a bloodthirsty monster attacking young women at will.

Thomas Clayton comes home from a poker game to find his wife Kelley murdered. But, when his daughter describes the attacker.

Tracie Bell has been a beloved employee of the Cook County State Attorney's Office for over twenty y

After a night out in town.

A popular teen is shot down at school, but the shooter is no student.

Two teens are murdered while caught in the middle of a seemingly random attack.

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

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

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.

After a night out in town.

Tracie Bell has been a beloved employee of the Cook County State Attorney's Office for over twenty y

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.

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

Rex Harper is shot dead in what investigators believe is a professional hit.

A deputy sheriff turns in his badge to pursue a career in acting. When a shooting leaves him injured and his wife dead.

Comedian Jim Jefferies recounts his experiences with an intern who seemed to live a life of luxury. But in May 2016.

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

A couple is savagely attacked while sleeping at home and only the wife survives.

In the Miami suburbs, a hard-working mother from Trinidad vanishes into thin air.

In 1982, JoAnn Tate was stabbed to death in her home in St Louis. Her three young children were also attacked.