Mister X

New York Times bestselling author John Lutz brings back homicide detective Frank Quinn in a serial killer thriller full of twists, violence, and dark suspense. The beautiful young woman standing in detective Frank Quinn's office can't possibly be alive. He knows she was a victim of the serial killer known as the Carver, an unidentified slayer who cut a large X on six unlucky women's bodies and mutilated them before slitting their throats. When she explains that she's not the victim-she's her twin-and begs Frank to bring her sister's murderer to justice.