Investigation Discovery

The team venture to Ardgillan Castle.

The team visit Achill Island.

Steve and Amy investigate supernatural activity that is tormenting a mother and her two daughters.

Steve and Amy investigate claims from a family of six that they are being haunted by paranormal activity.

The story of an unconventional New York family dragged into the headlines after one of them was murdered in brutal fashion.

A case in which a failing family business led to murder, as one relative was found to be worth more dead than alive.

Kansas City police make a horrifying discovery in a local wasteland: the body of a young child.

How the suspicious disappearance of Reginal 'Cody' Bowels in Virginia piqued the interest of authorities, and ignited a multi-jurisdictional investigation.

After three synagogues went up in flames, federal agents worked around the clock to solve the arsons.

Robert Henry, an exec in Tacoma, was murdered in 1995 by a masked gunman. His wife tells the Police

Gayle Isleib was shot on April 30, 1996. Police identify a co-worker, Tyronne Montgomery. Evidence i

Police officers in Pueblo, Colorado are shocked when 77-year-old Susan Hernandez is found dead in her basement.

In Ohio, local antiques dealer Mary Kay Wohlfarth mysteriously vanishes.

Police search for Kathryn Horn, a missing teen, and uncover an underworld filled with hippies, witches and cults.

The case of Michael Severance.

The deaths of Alabama country store owner Billy Triplett and his wife Debbie in June 2001. Locals suspected their fate must have been connected with his illegal side-business of retailing alcohol.

The July 1999 murders of Diana Algar and her friend Jose Molina.

A gang of outlaws wreaks havoc on small towns throughout Appalachia.

A beautiful young co-ed is strangled to death in the bathroom, igniting an investigation that leads police down a horrifyingly bloody trail.

A young vet technician starts a steamy affair with her boss.

A woman is seduced by a married police officer.

Judy and Jaden bring in Michael after he hurts his hand trying to run.

Reggie and Garrett bring in Ashley, who blames the system for her issues.

Kathy Folbigg claims she is innocent of killing her four children, in a case reminiscent of Sally Clark, whose first son died at 11 weeks, and second at just eight weeks.

While Sally Clark sits in prison for life, journalist John Sweeny and attorney Marylin Stowe look at her case and make their own startling discoveries.