The Adventures of Sam Spade was a suspense/detective radio show starring Howard Duff in the colorful title role along with Lurene Tuttle as his secretary Effie.  It was based on the private detective character created by Dashiell Hammett, well-known from the book and movie The Maltese Falcon.  The show ran from 1946 to 1951.  Duff was replaced by Steve Dunne in later episodes.The Rushlight Diamond Caper: Sam is hired to guard the wedding presents, but not the groom, who is stabbed to death with a pair of garden shears! Originally aired July 4th, 1948.Support the show (https://www.buymeacoffee.com/steviek)