Follow the American Mafia from their early development in New York City neighborhoods through Prohibition, to the boom days of the 1950s.

There's more than meets the eye to Al Capone, the Prohibition-era leader of organized crime in Chicago.

Al Capone survived assassination attempts, brutal gang wars and an attack by a fellow inmate at Alcatraz. How did unprotected sex finally take down one of history's most notorious gangsters?

Starting in January 1920, the United States became a dry country. Prohibition banned the manufacture and sale of alcohol in an attempt to civilize unruly Americans (and some other reasons). The experiment had many unintended consequences, but most dangerously, it fostered the rise of organized crime and the American Mafia.