Conspiracy in death - J. D Robb

In a future where human nature remains as predictable as death, a killer plays God and puts innocent lives in the palm of his hand in this novel in the #1 New York Times bestselling In Death series.

With the precision of a surgeon, a serial killer preys on the most vulnerable souls of the world's city streets. The first victim: a sidewalk sleeper, found dead in New
York City.
No bruises, no signs of struggle. Just a laser-perfect, fist-sized hole where his heart had once been. Lieutenant Eve Dallas is assigned to investigate. But in the heat of a cat-and-mouse game with the killer, Dallas's job is suddenly on the line. Now her hands are tied...between a struggle for justice-and a fight for her career...