Carlos Martins was an atheist as a young man. Now, he isn't just a Catholic priest, he works as an exorcist. Father Martins and producer Ryan Bethea of the new podcast series exploring his work, The Exorcist Files, join Charlie for one of the most fascinating hours ever on the show, exploring the questions many people have about exorcism, including: What distinguishes demonic possession from normal mental illness? Why can't demons blaspheme the name of God? How does demonic possession happen? And most importantly, how does it end?