Book #1 The Babysitter. Mackenzie Laughlin, formerly with Oregon's River Glen police department, has reluctantly agreed to investigate a local woman's disappearance. The case reconnects her with Justin James Taft, a P.I. gifted at getting under Mac's skin. But when the body is found tangled in river weeds, Mac and Taft realize that the case has changed, from one missing woman to a hunt for a terrifying and relentless killer.