Bundy reached out to FBI investigators to offer assistance.
But he never revealed the killer's identity...
Manson Family members survive to this day.
How did England’s first female serial killer manage to poison three husbands and 11 children before being caught?
Parking tickets, floppy disks and escaped victims helped catch these murderers and bring them to justice.
Some had no idea about their husbands’ crimes. Others clearly did.
With his devilish good looks, he brought new meaning to the term 'lady killer.'
Today, no one knows where the Monster might be.
The haunting may be fictionalized, but the horror was real for the DeFeo family.
The bestselling true crime author discusses the disturbing crimes of .22 Caliber Killer Joseph Christopher.
He checked in as Roland T. Owen. It wasn’t his real name, and that was just the beginning of the mystery.
The mysterious death of Norway's Isdal Woman continues to transfix investigators across the globe.
Lust and hatred fueled his depraved crimes.
These 10 killers terrorized neighbors, families, and strangers.
The reality of the Manson Family was even stranger and more terrifying than you may think.