In March 1981, Marianne Bachmeier opened fire in a crowded courtroom and killed Klaus Grabowski — the man on trial for murdering her 7-year-old daughter.

After he learned that the Missouri chapter of the Ku Klux Klan was impersonating him in order to spread racist messages to kids, Mr. Rogers took them on — and won.

From 1977 to 1980, Joseph Paul Franklin traveled all over America to target victims who were Black or Jewish with a sniper rifle.

On November 8, 2017, a young Chinese man named Wu Yongning tried to do pull-ups off the side of a 62-story building. It was the last decision he ever made.

For more than 20 years, Michael Kent was a fervent white supremacist covered in hate tattoos. But that all changed when he met Tiffany Whittier and the pair struck up an unlikely friendship.

Known as "katsu ika odori-don," this bizarre delicacy showcases a freshly killed squid that "dances" when it's doused in soy sauce.

In November 1968, the White Panthers emerged as an anti-racist group that supported the Black Panthers.

Paleontologists said this dinosaur had a one-of-a-kind opening that was "shaped in its perfect, unique way."

The Queen frontman was known to call his 10 cats while on the road — and even reportedly left them everything in his will.

In an Andalusian warehouse, police found a collection of Nazi memorabilia beside 22 AK-47s.

Together with his depraved girlfriend Carol Bundy, Doug Clark terrorized sex workers along the Strip, murdering them and then defiling their lifeless bodies.