Listeners of Father Carlos Martins' blockbuster podcast, The Exorcist Files--4 million downloads and counting--know something about the Devil's tactics and deceptions used to gain control over humans. In his much anticipated debut book of the same name, Father Martins goes even deeper into the nature of evil and the how to protect ourselves from it. In this pioneering book for believers, nonbelievers, and anyone curious about the supernatural, Father Carlos shares new case files with readers and explains the reason for Satan's presence in each. He identifies some the doorways demons use to gain access, alerting readers to the very real dangers of evil. For each victim, Father Carlos describes the path to healing--all at a very timely moment in human history. With the rise of pagan and occult practices around us, exposure to evil is more prevalent than ever. From Ouija boards to witchcraft and pornography to emotional trauma, we continually encounter demonic activity that seeks to cause pain and destruction in human lives. Because many people are unaware that they have a foot in two incompatible worlds--God's and Satan's--they're blind to the spiritual battle raging around them. By giving a true account of exorcism from his case files in each chapter, Father Martins uncovers the 2,000-year-old Catholic ministry of exorcism and the process of detecting the presence of the Devil, first partnering with psychologists and doctors to differentiate mental illness and pretend ailments from demon activity before utilizing weapons of faith to wage the battle for a person's soul. The Exorcist Files dispels the myths about how evil spirits are acquired and expelled, giving both Christians and the spiritually curious a behind-the-scenes look at the ongoing battle against Satan. As we try to understanding the darkness in our world today, following Father Carlos's experiences within the spiritual realm that lies behind the physical realm of our experience, we gain fresh insight into the nature and behavior of evil in our world.