 Complete the following phrase:  By September 1931, Maranzano realized Luciano was a threat, and hired Vincent Mad Dog Coll, an Irish gangster, to kill him. However, Lucchese alerted Luciano that he was marked for death. On September 10, Maranzano ordered Luciano, Genovese and Costello to come to his office at the 230 Park Avenue in Manhattan. Convinced that Maranzano planned to murder them, Luciano decided to act first. He sent to Maranzanos office four Jewish gangsters whose faces were unknown to Maranzanos people. They had been secured with the aid of Lansky and Siegel. Disguised as government agents, two of the gangsters disarmed Maranzanos bodyguards. The other two, aided by Lucchese who was there to point Maranzano out, stabbed the boss multiple times before shooting him. This assassination was the first of what would later be fabled as the Night of the 