Al Capone: Al Capone was one of America's most notorious gangsters during the Prohibition era. He headed a criminal organization involved in bootlegging, gambling, and other illegal activities.
Racketeering: Racketeering refers to the operation of an organized criminal enterprise, often involving extortion or obtaining money through illegal means.
St. Valentine's Day Massacre: The St. Valentine's Day Massacre was a brutal murder of seven members of Chicago's North Side Gang by Al Capone's South Side Italian gang. It heightened public awareness of the violence associated with organized crime.