There was a crooked man Cat deluca mystery series, book 5.

Chicago private eye Cat DeLuca, founder of the Pants on Fire Detective Agency, catches liars and cheats-and, from time to time, killers. Cat's brief marriage to runaround Johnnie Rizzo was a bust. But it gave her the mad skills she needed for her agency. She doesn't investigate for insurance companies and she won't find your long lost Uncle Harry. But if you're in Chicagoland and you suspect your partner is stepping out, give her a call. Cat come...