Some allege that he confessed to the Jack the Ripper murders with his dying breath.
When Emily Dimmock's family finally entered her apartment, they discovered a gruesome sight.
In his own twisted mind, Howard Unruh's killing spree was "justified."
He thought they were sleeping ... until he saw the ants crawling across their bodies.
Barbara and Patricia Grimes were murdered in 1956. New clues have raised hopes the killer might still be caught.
This demented ripper cut a trail of death across the French countryside in 1897, leaving 11 known victims in his wake.
In 1908, Charles Luard found his wife Caroline shot dead at a neighbor's country house.
Are you Facebook friends with someone who fits one of these descriptions?
In the late 1940s, women answered personal ads thinking they would meet the man of their dreams. Instead, they met Raymond Fernandez and Martha Beck.
Teen kidnapper Chyrel Jolls grabbed her 5-year-old victim by the wrist: "If you don't come with me, I'll drown you."
He was one of the most prolific directors in Hollywood—until he was fatally shot by an unknown killer in his Westlake home.
In a town of 80 people, one horrible, criminal act can send the entire population reeling.
When daylight finally spilled into the musty chamber, a shocking sight came into focus...
She was only 16 years old when she was murdered and dumped in a cornfield.
He was the sadistic killer behind one of the most chilling murder sprees in American history.
He claimed more than 24 victims ... but it was his method of murder that earned Haarmann his ghoulish moniker.
She was strangled to death in her Manhattan apartment ... and the only clues to the crime was a lone horse hair and a piece of cord.
Did Polish crime writer Krystian Bala commit murder and hide clues in his book Amok?