Veteran FBI profiler Maggie O'Dell and Assistant Director Cunningham believed the threat targeted Quantico. It targeted them. A deadly virus--virtually undetectable until it causes death from a million internal cuts. The victims appear random, but Maggie wonders if vengeance isn't the guiding hand. An aficionado of contemporary killers, using bits and pieces from their crimes--the Beltway Sniper's phrases, the Unabomber's clues, the Anthrax Killer's...