Anaheim investigator Julissa Trapp is not like other detectives. She’s the only woman on the homicide squad, and a skilled chameleon: undercover cop in vice stings, crime-scene commander, patient confidante of killers. A master interrogator, she invokes her personal experience – and deepest griefs – as a tool to elicit confessions. When a young woman’s body is found at a trash-sorting plant, Trapp learns the murder may be linked to the disappearance of three other women in nearby Santa Ana. Trapp embarks on a dark journey that brings her face to face with a man who takes “a little piece of...