Christine McGuire is a veteran prosecutor of murder cases in a California District Attorney's office. She has taught at the academy of the Federal Bureau of Investigation in Quantico, Virginia. Her first book, Perfect Victim, a nonfiction account of a sexual enslavement case, was a #1 New York Times bestseller. Carla Norton is a novelist and true crime writer. Her books include Perfect Victim, Disturbed Ground, What Doesn't Kill Her, and The Edge of Normal.