Chuck Berry is still alive. Sixty years ago, he invented rock 'n' roll. After that, he was cheated, arrested, and imprisoned. He all but vanished. He still plays, though. Even records new material. Just not for us.

On May 22, a three-quarter-mile-wide tornado carved a six-mile-long path through Joplin, Missouri, killing 160. Unable to escape, two dozen strangers sought shelter in a gas station's walk-in cooler while the funnel ripped apart every building, car, and living thing around. This is their story.

When a surgeon cut into Henry Molaison's skull to treat him for epilepsy, he inadvertently created the most important brain-research subject of our time — a man who could no longer remember, who taught us everything we know about memory. Six decades later, another daring researcher is cutting into Henry's brain. Another revolution in brain science is about to begin.

In just two years, he has demolished the 100-meter dash world records with times that are superhuman — literally thirty years ahead of what they historically should be. So what if the greatest athlete alive decided to actually get serious?

An American kid hired as an assassin for a Mexican drug cartel sits in a safe house in Laredo and brags about his hits and the one he's planning next — only this time Texas police are watching.

NBC's "To Catch a Predator" arrived in Murphy, Texas, to conduct a sting operation. The only honest thing that followed was the gunshot.

Mystery, vengeance, plaster ziggurats, loopy ears, and the strange saga of Mel Gibson.