The Real Enemy, by Kathy Herman, is the first in her Sophie Trace Trilogy.
Book Description
Brill Jessup would rather work than deal with the bitterness she feels about her husband Kurt's infidelity. They've made a fresh start with Brill taking a job as the new police chief in a small East Tennessee town. Kurt is genuinely contrite and making every effort to show his commitment to Brill. Meanwhile Emily, their nine-year-old, is being the perfect little girl, as if she can make everything okay again. So why can't Brill get over this anger? Work presents the perfect distraction as rumors and superstition are running rampant in the wake of the disappearances of seven people in seven days. As fear rises in the community, Brill works desperately to solve the mystery... until it threatens her family and she is forced to confront the real enemy.