The Enemy Within: The McClellan Committee's Crusade Against Jimmy Hoffa and Corrupt Labor Unions is a book by American politician Robert F. Kennedy (assisted by John Seigenthaler) first published in 1960, and republished in 1994. Edwin Guthman, chairman of the Robert F. Kennedy Memorial provided the introduction to the 1994 edition. As Robert Kennedy was intimately involved, the book is somewhat a... Wikipedia