V is for Vengeance - Sue Grafton

Private detective Kinsey Millhone feels a bit out of place in Nordstrom's lingerie department, but she's entirely in her element when she puts a stop to a brazen shoplifting spree. For her trouble she nearly gets run over in the parking lot by one of the fleeing thieves-and later learns that the one who didn't get away has been found dead in an apparent suicide. But Audrey Vance's grieving fianc suspects murder and hires Kinsey to investigate-in a case that will reveal a big story behind a small crime, and lead her into a web that connects a shadowy "private banker," an angry trophy wife, a spoiled kid with a spiraling addiction, and a brutal killer without a conscience…