For 30 years, Boy Scout troop leader and church council president Dennis Rader was secretly the BTK murderer — while looking like the perfect family man to the outside world.

Luka Magnotta filmed himself murdering Lin Jun, then shared the video online. "It just gave me this weird energy," he later said. "Something just happened in my brain."

The ministries of televangelist Benny Hinn rake in some $100 million a year. Hinn claims all that money goes into his healing services, but he does own a private jet.

The Nazis suffered 80 percent of their casualties on World War II's Eastern Front, the deadliest theater in the history of war.

While the Nazi war machine ravaged Europe, the war in the Pacific brutalized the soldiers and civilians in World War II's often overlooked theater.

How lies and gross negligence contributed to the Challenger disaster, one of the worst disasters in NASA's history.

Thousands of poorly trained kamikaze pilots were asked to sacrifice their lives for Japan's collapsing war effort, but the letters they left behind reveal they weren't all eager volunteers.

The Cuban Missile Crisis has been called the crowning victory of John F. Kennedy's presidency, but less favorable parts of the story have been kept under wraps for decades.

Today, Ernesto "Che" Guevara is an undying symbol of revolution. But was he a hero or a monster?

From 1939 to 1945, the scientists behind the Manhattan Project raced to develop the first nuclear weapon. The results would change history.

Not even the workers in Oak Ridge, Tennessee, had a clue as to what they were doing — which turned out to be refining the uranium for the atomic bombs dropped on Hiroshima and Nagasaki.