Joseph D. Pistone was an undercover FBI agent for mroe than 20 years, and undertook the longest, deepest and most successful penetration into the U.S. Mafia ever, resulting in mor than 100 convictions.  He is the author of the New York Times bestseller, Donnie Brasco, hailed by UP as 'an unprecedented, chilling chronicle of undercover work...."  He has also written several novels abou the underworld.  He lives in an undisclosed location.