Who is Dr. Petrie from The Witching Hour: A Novel and what is their importance? The_Witching_Hour_(novel) English & Literature Dr. Petrie | The Witching Hour: A Novel

Dr. Petrie was Deirdre's doctor for a time. He was supposed to have given her a daily sedative injection. Petrie was taken off the case after Lasher tried to get him to stop giving her the shots.