Final Straw — Kathleen M. Fraze

Jo Ferris is a small-town cop dealing with small-town crime and a recently widowed mother. It isn't the way she pictured her future when she was growing up, but it's steady work and it has its small rewards. Then one night, someone puts a bullet in her police chief's head and Jo's small town is suddenly big news. The investigation into his murder turns up the sins of the past as well as the present, and in the end, brings Jo face to face with a ruthless killer