Stone Angel is a book by Carol Oconnell which is the fourth book in the detective series NYPD Sergent Kathleen Mallory. This story here begins seventeen years ago, in rural Louisiana, six-year-old Kathy Mallory vanished on the same day her mother was stoned to death by a mob. Now, Kathy, a former NYPD sergeant, investigates the murder of the New Church prophet Babe Laurie while seeking answers about her mother’s death. Layers of mystery and danger unfold in this evocative novel.