Book excerpt: After a rapid string of grisly murders shakes the usually peaceful city of Arlington, Virginia, the sadistic killings of young women lull into a deceptive calm. Agent Sadie Bonds knows the terror isn't over; serial killers don't stop until caught. And this sadist has targeted the profiler, revealing pieces of her dark past and weaving her secrets into each gruesome crime scene. Is the killer someone from Sadie's past, her present?