The most convincing account yet of how - and why - the Mob killed JFK: New film by relative of Mafia boss sheds fresh light on the President's assassination nearly 60 years on Mafia boss Sam Giancana controlled a criminal empire stretching across the US His great nephew Nicholas Celozzi reveals all in his new film, titled 2 Days/1963 The JFK operation included two assassins Johnny Roselli and Charles Nicoletti As the most notorious boss of the Chicago Mafia since Al Capone, Sam Giancana controlled a criminal empire stretching across America. He had an army of thugs to call on...