Following Jeffrey Dahmer's imprisonment, his parents, Lionel Dahmer and Joyce Flint, questioned if they could've prevented the murders of 17 men and boys.
While serving a life sentence for his first murder, Austrian serial killer Jack Unterweger manipulated his supporters into believing that he had been reformed. Once released, he secretly began a spree of murders while embarking on a new career as a literary celebrity.
Steven Lorenzo pleaded guilty to the brutal 2003 date-rape killings of Jason Galehouse and Michael Wachholtz. He's asked to be sentenced to death because the conditions are more to his liking.
The San Francisco Police Department hopes a new composite sketch – plus a $250k reward – will push people to come forward about an elusive serial killer who murdered at least five men in the mid-1970s.
Paul Onions was hitchhiking to a fruit picking job in southern Australia when he had a near-deadly encounter with a man named Bill. Three years later, he provided the crucial information that took down Australia's "Backpacker Murderer," Ivan Milat.
Shirley Hughes, the mother of Jeffrey Dahmer victim Tony Hughes, slammed Evan Peters after he won a Golden Globe for his portrayal of the serial killer in Netflix's "Monster: The Jeffrey Dahmer Story."
