Investigation Discovery

The team head to the Old Idaho State Penitentiary. Here, they hope to encounter the spirits of two infamous murderers who are rumoured to haunt the building.

In 2006, residents in Indianapolis called 911 to report gunfire coming from a house. Police find a total of seven bodies in a terrible mass shooting.

A retired corrections officer thinks he's lived through the riskiest years of his life, but handling his second wife and her jealous ex-husband proves far more deadly.

Ryan is climbing the career ladder and all he needs for a perfect life is the perfect woman to share it with. But is the beautiful Jodi as impeccable as she seems?

Beverly Carter is a 50-year-old internet savvy real-estate agent. But when she goes to meet a prospective buyer at a remote house, she never returns.

In Alabama, murder is on the menu at a party after one family's distrust and finger pointing lead detectives on a cross-country search for a killer.

Tormented by childhood memories of abduction, a woman discovers an implant in her body.

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.