Adrian Humphreys covers organized crime for the National Post and is the author of The Enforcer, the best-selling biography of Johnny "Pops" Papalia, one of North America’s longest-reigning Mafia bosses. He was the principal consultant for History Television’s popular series "Mob Stories" and has written on crime for the Chicago Sun-Times, Britain’s Daily Telegraph and Reader’s Digest. He can be contacted at humphreys@canada.com.

Lee Lamothe is the author of the best-seller Bloodlines: The Rise and Fall of the Mafia’s Royal Family; Global Mafia: The New World Order of Organized Crime; and the recently released Angels, Mobsters & Narco-Terrorists; and The Last Thief, a novel about the Russian Mafia. As a journalist and writer, he has covered organized crime across North America, Europe, South America and Asia.