Jance, Judith A. Ali Reynolds novel.

Title from web page

Chuck Brewster, the former business partner of Ali Reynolds's husband B. Simpson, once carried on an affair with Clarice, B.'s first wife. So when he's found murdered with Clarice standing nearby covered in blood, it seems an open and shut case. But Clarice swears she's innocent and begs for Ali's help. At the same time, someone is targeting Camille Lee while she's on the road for High Noon. Ali is swiftly running out of time to find the real killer and keep her employee safe in this high-octane thrill ride

Read by Karen Ziemba