Gambino capo Angelo Ruggiero ended up crippling his own organization after he was caught discussing family business on secret FBI wiretaps.

While John Gotti was the "Teflon Don," he may not have been godfather at all if not for Aniello Dellacroce.

Before he cooperated with the FBI to put John Gotti behind bars, Gambino underboss Sammy "The Bull" Gravano was one of the most feared killers in Mafia history.

On October 4, 1997, David Ghantt pulled off the Loomis Fargo heist with $17.3 million in hand — but then the problems started piling up.

Throughout the 1980s and '90s, Herb Baumeister murdered at least a dozen victims and buried their bodies on his Fox Hollow Farm estate in Indiana.

Rats have been used to torture prisoners and political enemies in many ways over the centuries — but some methods are more horrific than others.

From being partially scalped to having her eyes gouged out, Kelly Anne Bates was tortured for weeks before James Patterson Smith killed her on April 16, 1996.

After making a name for herself as a professional wrestler, Mexican serial killer Juana Barraza murdered 16 elderly women and was sentenced to 759 years in prison.

Gambling genius and Chicago Outfit associate Frank Rosenthal made a fortune for the mob while running Las Vegas' Stardust casino in the 1970s.

When Willard Asylum closed in 1995 after 126 years of operation, staff members discovered hundreds of forgotten suitcases that told the stories of the patients who had died there.

Westley Allan Dodd estimated that he'd molested at least 175 children before he was hanged in 1993 for killing three boys in Vancouver, Washington.