Late in the evening of June 19, 1975,  Sam “Momo” Giancana was cooking in his basement apartment, presumably for a guest. Before the late-night meal could be served, Giancana was shot in the back of the head. The murder of the former Chicago Outfit boss remains one of the most debated unsolved homicides in organized crime history. His tumultuous final years fuel several theories about his demise. Over the course of his long career filled with violence and political maneuvering, Giancana provided motives to rivals and allies alike. From infamy to fame Born Salvatore Giancana on June 15, 1908, in Chicago to Sicilian ...