Exorcist Msgr. Stephen Rossetti has a very active caseload of demonic possessions, and in each case two vivid lessons consistently emerge: demons possess or harass people in a myriad of ways (even when they do not enter a body), and they are defeated decisively by the power of Christ and His Church--and especially by invocations to the Blessed Mother. In these pages, Msgr. Rossetti gives us an inside look at the intense experiences of an...