Deadly Beloved — Max Allan Collins

Marcy Addwatter killed her husband--there's no question about that. Shot him dead in the motel room where he was trysting with a blonde hooker. Shot the hooker, too.

But where the cops might see an open-and-shut case, private eye Michael Tree--Ms. Michael Tree--sees a conspiracy. For Ms. Tree, digging into it could mean digging her own grave...and digging up her own murdered husband's.