Death by Downsizing — Dan Anderson

A client begs Chauncey McFadden, Los Angeles PI, to find his gay lover who has vanished. Although LAPD believes the victim is deceased based upon uncovered body parts, Chauncey agrees to investigate and contacts the paramour's former co-workers at a large insurance company. However, the case explodes in scope and complexity as Chauncey discovers each co-worker has also died under mysterious and violent circumstances. Chauncey must find this vicious assassin before the body count escalates.