In the Fifties, he was an agent for J. Edgar Hoover's "Top Hoodlum Program." He masterminded the first electronic surveillance of a Mafia headquarters. Sam Giancana put a $100,000 contract on his life. Now, Bill Roemer, the FBI crime expert who's had more face-to-face confrontations with mobsters than anyone in law enforcement history, tells his electrifying life story. From his key role in the lives of John and Robert Kennedy, Frank Sinatra, Phyllis McGuire, and Marilyn Monroe, to the run ins with Anthony "Tony Batters" Accardo, Murray "The Camel" Humphreys and Jackie Cerone that made him the nemesis of the Chicago mob, here is a chillingly authentic account that ranks as one of the finest chronicles in true crime.