Mark Harmon & Leon Carroll, Jr., "Ghosts of Sicily"

Actor Mark Harmon and retired NCIS special agent Leon Carroll, Jr., discuss their book "Ghosts of Sicily," the latest in their series about real-life Naval intelligence operations. "Ghosts of Sicily" tells the story of the U.S. government's use of the American mafia to fight the Nazis and Italians during World War II. Learn more about your ad choices. Visit megaphone.fm/adchoices