Investigation Discovery

After getting a divorce, Janet celebrates her freedom with a girls' night. When she's found dead, it takes the police 35 years to bring her murder to justice.

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.

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.

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

Dennis Ryan grows up believing his father's violent teachings will prepare him to save the lives of everyone in their farmhouse, then the teenager discovers the horrible truth.

Dennis Ryan grows up believing his father's violent teachings will prepare him to save the lives of everyone in their farmhouse, then the teenager discovers the horrible truth.

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 prison 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.

A musician captures a strange object flying over a motorway in California. A tourist takes what could be the most compelling UFO photo ever, and two friends fear they were abducted on a road trip.

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.

Debra Davis never suspects her husband's perversions are signs of something evil deep inside him.

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 Bagans and the crew navigate sacred ground to investigate a family's reports of the skinwalker.

Jenn grew up with a violent big brother, Jimmy, who preyed on his own family. She wants her incarcerated sibling to admit that he killed their mother.

The investigation leads detectives to two cold-blooded killers who stalked and hunted the victim.