David Baldacci is one of the world's most popular, widely read storytellers. John Puller a combat veteran and special agent with the U.S. Army, Puller is the man they call to investigate the toughest crimes facing the nation. But all his training, all his experience, all his skills will not prepare him for his newest case, one that will force him to hunt down the most formidable and brilliant prey he has ever tracked: his own brother.