Cool in Tucson — Elizabeth Gunn

From the author of the Jake Hines series - Ambitious Tucson police detective Sarah Burke, still smarting from a painful divorce, tries to concentrate on a body found in a parking lot. The case takes a bizarre turn when Sarahs young niece, neglected by her substance-abusing mother, disappears. The search is complicated by interference from the drug ring the suspected murderers been working for, and Sarahs romantic interest in a troubled colleague rebuilding his life after injury . . .