"Renowned neurosurgeon Dr. Hagan Maerici is on the verge of a revolutionary breakthrough in artificial intelligence. Obsessed with his job and struggling to save his marriage, Dr. Maerici is forced to put his life's work on the line when a rash of brutal murders strikes St. Louis. Detective Edwin Krantz and his partner, Tara Dezner, are tasked with investigating the killings. Shockingly, the murders have all been committed by prominent citizens who have no obvious motives or history of violence. Seeking an explanation for the suspects' strange behavior, Krantz and Dezner turn to Dr. Maerici, who believes someone is introducing a glitch into the in-brain computer systems of the suspects - a virus that turns ordinary citizens into murderers. Soon Tara Dezner begins to suspect that the doctor himself is a key piece of the puzzle. As the investigation turns to Dr. Maerici's own work, it threatens to expose the doctor's long-buried mistake - a mistake that now stands to endanger the lives of millions"--Back cover.