Horton easily conjures up creeps in this modern-day horror novel that will be of particular interest to fans of Douglas Preston and Lincoln Child’s popular Pendergast series. Kyle Andrews works as a victim specialist for the FBI in Seattle, serving as a liaison to bereaved families and providing grief counseling. Andrews gets a chance to prove himself worthy of becoming an actual special agent when he’s dispatched to Montana to assist with the investigation of multiple murders. Before long, evidence emerges that the killer is a what—rather than a who. Despite some clichéd elements, Horton maintains suspense, even as he cuts from the mayhem in the mountains to the mysterious activity of a government-sanctioned assassin. The novel’s ending may disappoint some readers, but the author’s imagination and effective prose serve him well throughout.