Giancana had been extradited from Mexico to the US. He had been running gambling operations there on his own, without sending money back home to the Chicago bosses. Before that he had been ordered to leave the US by Outfit boss Antonino Accardo. Chicago had enough of Giancana. On July 19, 1975 Giancana let a friend into his house, and made him and his guest some dinner. His friend shot him in the head and fled the scene.