The elite Special Crimes Unit, the FBI's most controversial and effective team, is a group of mavericks and misfits trained to use their unique psychic abilities to hunt the worst monsters imaginable--human ones. Led by the enigmatic Noah Bishop, the SCU has earned a reputation for pitting their skills and cunning against killers that other cops fear. But this time Bishop and his agents face an enemy who has them in his sights, a trained sniper with a deadly plan--and more than one ace up his sleeve.