"Bodies Piled Up", a Continental Op mystery by Dashiell Hammett, and Dick Powell as Richard Diamond

Dashiell Hammett's nameless detective, known as The Continetal Op, investigates a multiple murder discovered in a downtown San Francisco hotel room, which leads to a deadly shoot out inside a North Beach speakeasy.  Also, a radio mystery drama featuring Dick Powell as former New York police detective, turned private eye, Richard Diamond.