Rules of Prey

The murderer was intelligent. He was a member of the bar. He derived rules based on professional examination of actual cases: Never kill anyone you know. Never have a motive. Never follow a discernible pattern. Never carry a weapon after it has been used. Beware of leaving physical evidence. There were more. He built them into a challenge. He was mad, of course . . .
The killer's name is Louis Vullion, a low-key young attorney who, under the camouflage of normalcy, researches his next female victim until the pressure within him forces him to reach out and "collect" her. Plying his secret craft with the tactics of a games master, he has gripped the Twin Cities in a storm of terror more fierce than any Minnesota winter.
It is after the third murder that Lucas Davenport is called in. It is the opinion of his colleagues that everything about the lieutenant is a little different, and they are right — in the computer games he invents and sells, in the Porsche he drives to work, in the quality of the women he attracts, in his single-minded pursuit of justice. The only member of the department's Office of Special Intelligence, Davenport prefers to work alone, parallel with Homicide, and there is something about this serial killer that he quickly understands. The man who signs himself "maddog" in taunting notes to the police is no textbook sociopath; he has a perverse playfulness that makes him kill for the sheer contest of it. He is a player.
Which means that Davenport will have to put all his mental strength — and physical courage — on the line to learn to think like the killer. For the only way to beat the maddog is at his own hellish game. . .

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