Mobsters

Joey Gallo rose from the slums of Brooklyn to take on the biggest Mafia dons of the 1950s and 1960s. He hobnobbed with New York's social elite, including Neil Simon and Jerry Orbach. Ultimately, nothing could save Joey Gallo from a dramatic end.

In the 1970's, a group of ruthless Irish punks called the "Westies" terrorized Hell's Kitchen in New York City. The "Westies" were so powerful they were able to work as contract killers for the Gambino crime family.

Leroy "Nicky" Barnes went from organizing one of the most powerful heroin rings in New York to becoming a government informant. Out of spite, Barnes turned on his fellow associates and destroyed the drug trafficking empire he took so long to build.

Frank Nitti rose quickly through Capone's criminal empire, taking over after Capone was sent to prison. After the end of Prohibition, Nitti turned to the labor unions and Hollywood, but he may have aimed too high as the Feds soon caught on.

From the Castellammarese War in the late 1920's to the assassination of the Boss of Bosses, Paul Castellano, this episode explores six of the most notorious mafia killings of all time and the effects these murders had on organized crime.