John MadingerJohn Madinger's law enforcement career spanned thirty-five years as a criminal investigator and narcotic agent, where he specialized in money laundering, asset forfeiture and financial investigations. He is an expert witness and the author of Mone Laundering: A Guide for Criminal Investigators. He has a BA in criminal justice from Indiana University and an MA in history from the University of Hawaii. He currently works for the Department of the Treasury, providing technical assistance around the world. Read More Read Less