JOHN MADINGER: Author - Lethal Doses- The Story Behind 'The Godfather of Fentanyl', George Erik Marquardt

Talk! with Audrey by Audrey Adams

John Madinger has dedicated his career to fighting the drug war, serving as a sheriff's deputy, narcotics agent, and special agent with the U.S. Department of the Treasury. His previous works include the memoir "Going Un...View more