After successfully murdering four women in Eastern Michigan without a whiff of suspicion in 1969, John Norman Collins began to believe he would never be caught. He grew increasingly brash, returning to crime scenes and toying with police. Sponsors!The Farmer’s Dog - Get 50% off your two-week trial of fresh, healthy food at TheFarmersDog.com/KILLERS. Plus, you get FREE shipping! Learn more about your ad choices. Visit podcastchoices.com/adchoices