Kellerman, Jonathan. Alex Delaware novels.

Also published: New York : Ballantine Books, 2016. 387 pages

"A much loved woman's dead body is found in her apartment, victim of horrendous overkill even as her dining room table is perfectly set for a romantic dinner. Turns out her devoted boyfriend has an alibi and, with few clues leading to a suspect, LAPD's Lieutenant Milo Sturgis calls in psychologist Alex Delaware for help. Then another woman's shot execution style; three bullets in the back of her head leave her husband with a profitable business. He's got an alibi too. As the body count builds, Alex and Milo make the horrible realization that they're dealing with a diabolically manipulative killer intent on playing the most twisted and bloodiest kind of game with the cops -- and with Milo, specifically"--