Satan's Daughter: Book Three in the Terrell Newman Detective Series

This story is based on real events. A psychologist is murdered after telling police that one of his patients might be a serial killer under the influence of a "demon personality." The patient he had warned police about disappears, and her car is found torched near the psychologist's office. The murder leads homicide detective Terrell Newman on a twisted trail that uncovers a town's dark secret and more murders going back two decades.