Dan E. Moldea (born February 27, 1950) is a best-selling author and investigative journalist who has reported on organized crime and political corruption since 1974. He is the author of books about the rise and fall of Jimmy Hoffa, the contract killing of an Ohio businessman, the Mafia's penetration of Hollywood, and its influence on professional football, as well as works about the murder of Senator Robert Kennedy, the O.J.