In a 1993 letter to the FBI found in his papers, Edwards requested his criminal and history records for cities in 19 states, claimed that J. Edgar Hoover "more or less gave me permission to proceed" with his 1972 autobiography "after I assured him there was nothing in it bad about the FBI" and he was writing a new book about criminals he met while incarcerated, such as Tony Provenzano, Charles Manson and Jimmy Hoffa.Cameron, pp. 125–129
