A sniper attack in Central Park leaves three random victims dead within seconds. After reviewing security videos, it becomes clear to Eve Dallas that the victims were killed by a sniper firing a tactical laser rifle, who could have been miles away when the trigger was pulled...Eve"s husband Roarke has unlimited resources--and genius--at his disposal. And when his computer program leads Eve to the location of the sniper, she learns a shocking fact: someone is being trained by an expert in the science of killing. And as another sniper attack shakes the city to its core, Eve will realize that though we"re all shaped by the people around us, there are those who are just born evil...