"In southern Texas, on Saturday nights, women are disappearing. One vanishes from a movie theater. Another is ripped from her car at a stoplight. Another vanishes from her home while checking on her baby. Rookie FBI agent Caitlin Hendrix, newly assigned to the FBI's elite Behavioral Analysis Unit, fears that a serial killer is roaming the dark roads outside Austin...To track the UNSUB, Caitlin must get inside his mind. How is he selecting these women? Working with a legendary FBI profiler, Caitlin searches for a homology--that elusive point where character and action come together..."-- Provided by publisher.