On a cold December morning in New York City, a man is found dead in Central Park. There are no knife or gunshot wounds to his body and no signs of violence. But beside the body is a box containing a cracked vial. Suspecting he died from some sort of biological attack, a lab team screen the body.What they find is deeply unsettling and terrifying.Seven months after he left the ARU, Sam Archer is now a 3rd Grade Detective in the NYPD's Counter Terrorism...