Obsessed with the devil. My psychiatrist"s experience is next to the paranormal

The authoritative New York psychiatrist Dr. Richard Gallagher has an unusual profession. He is a specialist in obsession with demons ... and a scientific consultant in the field of exorcism. Many years ago, a priest knocked on his door, asking for one unusual patient to explore one unusual patient. After the tests conducted, Gallagher was surprised: the girl was mentally healthy, but demonstrated psychic abilities, telling the details of the life of unfamiliar people, including the mother of a psychiatrist. She knew how to manage the behavior of pets and spoke a few languages ​​fluently, but only when she was in a trance. She called herself the priestess of the satanic cult, which consisted of many years. And after meeting her with a priest and a psychiatrist, completely frightening things began to happen ...
Now Dr. Gallagher is a world -famous specialist who devoted his life to the study of demonic obsession. Exorcists of all faiths turn to him for advice to distinguish real obsession from