He was her friend. A handsome, charismatic colleague she shared late-night shifts with at a suicide prevention center. She was Ann Rule, a former cop turned true-crime author assigned to the biggest case of her life: a cunning serial killer stalking the Pacific Northwest. She never suspected the monster she was searching for was the man she laughed with, confided in, and called "Ted." This is the definitive, terrifying story of a friendship shattered by the ultimate betrayal, written by the woman who knew Ted Bundy best.