Antonio Nicaso teaches courses on the social history of organized crime and Mafia culture at Queen's University, Canada. He is a leading expert on Mafia and Mafia-like criminal organizations in the world. He has published extensively on organized crime, including many bestsellers. Marcel Danesi is Professor Emeritus of Anthropology at the University of Toronto, where he taught courses on forensic semiotics. He has published extensively in the fields of linguistics, semiotics, and forensic semiotics.