Jason Mewes and Jamie Kennedy join Jack at a former poor farm-turned-psychiatric ward in Illinois for the ultimate crash course in ghost hunting.

Jack and Kelly Osbourne get locked into the Nevada State Prison. With its history of violence and mayhem, will the siblings come out unscathed?

When 26-year-old Erica Crippen Crosby disappears from her home in New Jersey, detectives must follow a digital trail to uncover the truth about what happened to her.

When two bodies turn up in a car crash, investigators uncover the grizzly truth about a seemingly perfect relationship.

A mother's disappearance in 1979 is initially deemed the result of an airplane crash. But the seemingly open-and-shut case turns into a 22-year murder investigation.

In Yorkshire, PC Fletcher's dog Patto has been injured chasing a burglar. In Merseyside, PC Harris and his dog Kane are trying to track down the driver of a stolen car.

PC Bartley reminisces about his first dog, who was killed in action chasing a gang of burglars. Sniffer dog Lucy is called into action when a driver is stopped.

The tragic murder of a 14-year-old girl in Michigan leaves behind little physical evidence, forcing investigators to enter the digital world in search of clues.

When 26-year-old Erica Crippen Crosby disappears from her home in New Jersey, detectives must follow a digital trail to uncover the truth about what happened to her.

In 1990, a teenager is convicted of murdering his parents. Forced into a confession, Martin Tankleff spent 20 years trying to prove his innocence.

In September 2003 in Illinois, 62-year-old Mexican immigrant Felipe Ulloa tells his wife Eloisa he is going to a local bar to collect a $75 debt. He never returns.

Detective Derrick Levasseur and Dr. Kris Mohandie investigate unsolved murder cases. They re-examine old evidence and new clues and try to finally solve these crimes.

In 2013, 51-year-old Robin Pope's body was washed ashore just one mile from her ex-husband's home. Did she drown, or was this a malicious act by her ex?

When missing teenager Shafilea Ahmed's remains are found, her parents seem devastated. Years later, police unravel the truth: of abuse, family honour and murder.

When Lesley Ford and four of her children disappear from a Cornish village, her husband claims they left him without a trace. But police are suspicious.

A sniper shooting on an Alaskan highway leaves a young man dead and a community running scared. As one family grieves, another becomes hell-bent on revenge.

Billy Frietag works on the family fruit and vegetable farm and travels in the winter. Tragically, his openness and generosity lead to events culminating in his death.

An ordinary day at Chardon High School in Ohio is shattered forever when one young man shows up with horrific violence on his mind.

Elizabeth Chambers investigates the red flags that surround the tragic relationship between a Virginia Lacrosse player and her boyfriend.

The Haight family looks picture-perfect from the outside. Behind closed doors, a pattern of abuse is escalating toward unimaginable danger.

While pursuing a new lead, Fontana learns damning rumours about the police.

A couple's fight reaches a tragic end when one of them is shot. A tape recorder that has captured the victim's final words becomes evidence in a murder trial.