In the third installment of her Oak Knoll series, Tami Hoag explores the early days of forensic police work through FBI agent Vince Leone's pioneering, science-based investigatory skills.

Marissa Fordham is dead, but her daughter is found alive at the crime scene. Now detective Tony Mendez and child advocate Anne Leone begin to investigate Marissa’s life --- until a shocking twist reveals that Marissa never actually existed…