The grisly crimes of these international killers prove madness knows no bounds.
The grisly inspiration behind these six cases from the hit police drama proves the truth is far bloodier than television.
From incriminating parking tickets to damning digital footprints, uncover the key clues that brought these notorious killers to justice.
Get inside the mind of the murderer.
Join the demon dog of American crime fiction, James Ellroy, as he handpicks his favorite crime scene shots from the LAPD archives.
These wealthy college students took to murdering a 14-year-old boy to prove their superiority – but sloppy mistakes soon exposed the clever pair as common killers.
Identical twins and doctors Stewart and Cyril Marcus did everything together ... including dying in a most mysterious fashion.
John George Haigh took the plunge into murder when he knocked out his old boss and dumped the body into acid – then set out to kill again.
What started as a quiet Sunday night for horror author Ray Garton suddenly turned into a violent, bloody scene straight out of his books.
From Gacy's bucket of fried chicken to McVeigh's bowl of ice cream, dig in to the last meals of America's death row inmates.
Cult leader Magdalena Solís convinced illiterate villagers she was a reincarnated goddess – then slaughtered her dissenters in brutal blood sacrifices.
Meet the tough female convicts of turn-of-the-century Australia in these stunning vintage mugshots.
Criminologist Scott Bonn knows his way around the mind of a serial killer – and he's sharing his secrets.
On a quiet summer night in Iowa, eight people were bludgeoned to death while they slept in their beds.
Beneath the streets of New York's trendiest neighborhood is the scene of a 200-year-old unsolved murder.
Minnesota thief Nicholas Wig accidentally left photos of himself at two crime scenes in the same day.
Scan the strangest headlines from January through December with our year-end review of crazy crime news from around the globe.