For six years, Fritz Haarmann used his position as a police informant to hide in plain sight while he carried out at least 24 grisly murders that earned him the nickname of the "Vampire of Hanover."

Held in Kinshasa, Zaire in 1974, the Rumble in the Jungle saw Muhammad Ali challenge George Foreman for the world heavyweight title that had been stripped from him seven years earlier.

Known as a "devil in jump boots" and a "petty tyrant," Herbert Sobel was one of the strictest U.S. Army officers during World War II.

Though some have suspected that Cheryl Crane simply took the blame for her mother, Lana Turner, she nonetheless bore the brunt of the scandal which rocked mid-century Hollywood.

Amie Huguenard spent three years with her boyfriend Timothy Treadwell studying and filming grizzly bears in Katmai National Park — until a brown bear killed them both.

The heart attack gun fired a dart made of frozen shellfish toxin that would enter the target's bloodstream and kill them in mere minutes without leaving a trace.

William T. Anderson became known as the deadliest Confederate raider of the Civil War after perpetrating several horrific massacres in Kansas and Missouri.

After a life of petty crime and several attempts to go straight, Buck Barrow joined up with Bonnie and Clyde for just four months before he was mortally wounded by a gunshot to the head.

At its peak in the 1950s and '60s, the kuru epidemic nearly decimated the Indigenous Fore people of Papua New Guinea.

As a member of the French Resistance, Marcel Marceau first developed his miming skills to keep children quiet while they evaded Nazi patrols on their way to the Swiss border.