Investigation Discovery

Andie Nash is devastated when the man she has been dating, Simon Reid, vanishes mysteriously and she starts to get suspicious.

Tyrannised by his father and traumatised by his sexually abusive scout master Heath takes a gun to his family; will more violence follow this massacre?

Tempers flare outside a home where Savannah police officers discover three bodies; one argument may offer a vital lead in the case.

In 2001, a man's visit home turns into a desperate search for his missing father.

A lobsterman from Maine relives a harrowing encounter that has haunted him for years, a family witnesses a strange string of lights in the sky, and a man believes he can communicate with alien crafts.

Former basketball star Rico Harris mysteriously vanishes while driving to Seattle. Investigators start a journey that becomes more baffling as time passes.

The Tennessee Wraith Chasers travel to the heart of Ohio to investigate the most haunted prison in America - Mansfield Reformatory.

One family in a small town in the Pacific Northwest seems to have it all, until a secret video and a stash of guns reveals the face of a diabolical killer.

A hooded gunman shoots and kills Donna Willard while her son watches from the top of the stairs.

Zak sends the team to investigate a family of first responders tormented by poltergeist activity. The guys fear there is an open gateway for dark entities.

Scientists and researchers use the Galvins' DNA to find a cure for schizophrenia in the family.

An armed suspect fires at police; a man locks himself in a garage that catches fire.

Millionaire Las Vegas real estate developer Ron Rudin goes missing. To find him, detectives will trace a path filled with haunting spirits, obsession, and greed.

Brooke was raised believing Kevin was her father. Her mother kept the truth a secret, not realising that Kevin had far deadlier secrets of his own.