American Predator by Maureen Callahan tells the eerie story of Israel Keyes, a careful serial killer active for over ten years. Keyes, seen as pure evil, committed random, horrifying crimes across the US, leaving many unsolved mysteries. The book reveals his precise methods, like hiding kill kits in remote spots, kidnapping victims in daylight, and quickly getting rid of them before returning to daily life. Through thorough research and talking to law enforcement, Callahan creates a chilling image of a clever killer that keeps readers on edge and questioning law enforcement’s limits.