The Kept Woman by Karin Slaughter

With the discovery of a murder at an abandoned construction site, Will Trent of the Georgia Bureau of Investigation is brought in on a case that becomes much more dangerous when the dead man is identified as an ex-cop.

Studying the body, Sara Linton—the GBI’s newest medical examiner and Will’s lover—realizes that the extensive blood loss didn’t belong to the corpse. Sure enough, bloody footprints leading away from the scene indicate there is another victim—a woman—who has vanished . . . and who will die soon if she isn’t found… Read more.