Shiro Ishii ran Unit 731 and performed cruel experiments on prisoners until he was apprehended by the U.S. government — and granted full immunity.

After the war, many Japanese soldiers claimed they only ate human flesh because they were starving. But in most cases, the evidence tells a different story.

For Watergate ringleader E. Howard Hunt, the crimes he committed on behalf of Richard Nixon pale in comparison to the crimes he committed on behalf of his country.

Starting with its first street gang in the early 1800s and continuing with its most recent mob boss assassination in March 2019, New York's history of gangs is as gruesome as it is complicated.

In 1932, a reclusive hunter named Albert Johnson opened fire on Canadian police — and then tried to flee into the icy mountains of the Northwest Territories. To this day, no one knows why.

For better food, a separate room, and protection from hard labor and the gas chamber, some prisoners became kapos — but they had to beat their fellow inmates in return.

Body snatching at the dawn of the Scientific Revolution was so lucrative that some career graverobbers actually murdered people to satisfy the market.

Today, H.H. Holmes lives on in infamy as "America's First Serial Killer," but how much of the story we've been told is the result of tall tales, yellow journalism, and bad fact-checking?

Months after the attack on Pearl Harbor, Los Angeles residents woke up to sirens, explosions, and searchlights across the skies. Was the "Battle of Los Angeles" a shadowy government coverup or an embarrassing military blunder?

The 23-year-old musical genius and frontman for The Bobby Fuller Four was on the brink of superstardom when he was found inexplicably burned and bruised in the front seat of his mom's car.

As FDR's New Deal worried Wall Street, a cadre of bankers decided to replace him with decorated Marine Corps General Smedley Butler as their fascist dictator. Here's how they failed.