Once a Lawman — Peter Brandvold

Sheriff Ben Stillman thought he'd finished dispensing hard justice in the town of Clantick in the Montana Territory. Then a courtesan and her latest client were found dead with their throats slit, and the citizenry demanded immediate action. With a rising body count and no headway in the investigation, the townsfolk are ready to take the law into their own hands...

In his career as a lawman, Stillman is used to the sudden violence of the frontier. But now he'll have to utilize his detective skills from his years as a Pinkerton to determine the link between the victims, uncover the motive -- and identify the killer...