Girl Who Cried Wolf — Edna Curry

Detective Chance burned out on homicide duty in Minneapolis and now works for the Canton County sheriff's department, hoping for less stress. But he doesn't always find it, though he did find a sweetheart who often finds and shares clues.
She's Cassie, a 24 hour locksmith, who is called to help when someone is locked out of their car or home. And sometimes, a PIA customer just likes attention and calls her or 9-1-1 way too often. Like the boy who cried wolf, her constant complaining is often ignored. Until she's right, but not believed, and one death follows another.
Can they figure out who the killer is before he kills again?