Joe Petrosino & Rockammorra

Joseph Petrosino (born Giuseppe Petrosino, Italian: [dʒuˈzɛppe petroˈziːno; -ˈsiːno]; August 30, 1860 – March 12, 1909) was an Italian-born New York City Police Department (NYPD) officer who was a pioneer in the fight against organized crime. Crime fighting techniques that Petrosino pioneered are still practiced by law enforcement agencies.