Richard Wershe Jr. uncovered the largest police corruption scandal in Detroit history when he was 15 years old. Two years later, he was sentenced to life in jail.

For 30 years, Boy Scout troop leader and church council president Dennis Rader was secretly the BTK Killer — while looking like the perfect family man to his neighbors in Kansas.

Throughout the 1930s, Louis "Lepke" Buchalter and Albert Anastasia led a vicious gang of hitmen who killed their rivals in gruesome ways — but one of Murder Inc.'s own members turned informer and led to the organization's downfall in the early '40s.

On May 25, 2012, Luka Magnotta shared a video online that depicted him brutally murdering and dismembering Jun Lin inside his Montreal apartment.

From Cleopatra's kingdom to "Japan's Atlantis," these cities sank beneath the water long ago, but the ruins they left behind continue to provide insight into what life was like for the people who lived in them.

Linda Kasabian was a member of the Manson Family, the getaway driver in the Tate Murders, and the woman who sent Charles Manson to prison.

From 1978 to 1995, James "Whitey" Bulger reigned as boss of the Winter Hill Gang in Somerville, Massachusetts — while secretly working with the FBI.

Before Marilyn Monroe, there was Norma Jeane Mortenson: a curly-haired brunette who never imagined she would be more than a housewife.

Supposedly a powerful ancient demon, Zozo torments those who contact it through Ouija boards. But is this malevolent force from the spirit world or from our own minds?

Gary Michael Heidnik kidnapped, raped, and tortured six women starting in 1986, keeping them prisoner in the basement of his Philadelphia home.

After John du Pont started a training facility for wrestlers on his Foxcatcher estate in Pennsylvania, he grew close with former Olympian Dave Schultz — then he murdered him.