Orrin Grey

This British playboy was deadly.

Serial killer Peter Tobin has three known victims: but was this depraved killer also responsible for the unsolved Bible John murders of the 1960s?

Could the two men behind the infamous Clutter family murders have killed the Walkers as well?

Albert Shinsky was convinced that Susannah Mummey, known as the Witch of Ringtown Valley, put a curse on him ... and the only way out was murder.

Were sinister forces behind the holiday tragedy?

Jim Barclay was found in a shallow grave in what was the Wonnangatta Murders. Authorities suspected the cook, John Bamford, until Bamford's body turned up.

Is this eerie video a viral stunt? Or something far more sinister?

They watched in terror as the demonic writing appeared above her bed: "Esther Cox, you are mine to kill."

A monster, like a devil, flew up through the trees and disappeared behind the church.

He's one of England's most infamous criminals ... but was he actually guilty?

It was one of the the largest instances of mass murder in Nebraska ... and remains unsolved to this day.

Could this old burial ground be the most haunted place in Savannah?

They found the body with a black bag over its head, near an abandoned trunk that reeked of decay.

Why did this young woman intentionally check herself into an asylum?

Did this ancient German castle inspire Mary Shelley's famous horror novel?

This ruined castle in Sao Paulo was once a luxurious mansion ... until it became the site of a grisly murder mystery.