Henry Hill helped authorities bring convictions against over fifty major criminals, both in the US and abroad. While in Witness Protection Program, his life inspired the best-selling book Wiseguys and the hit film GoodFellas. He is the co-author of The Wiseguy Cookbook and A GoodFellas Guide to New York. He lives in the United States. Gus Russo is a freelance author and investigative reporter, who has contributed to numerous documentary films. He has written two previous books, Live by the Sword and The Outfit. He lives in Baltimore, Maryland.