For one hundred dollars a day plus expenses, Richard Diamond will tackle any case. By the time it\u2019s over, he\u2019ll have used his fists, his gun, his wits, and his pipes as he croons a tune to his girlfriend. Dick Powell stars as the singing detective in one of radio\u2019s best mystery shows. We\u2019ll hear him in a pair of episodes \u2013 \u201cThe Betty Moran Case\u201d (originally aired on NBC on May 29, 1949) and \u201cThe Cathy Victor Case\u201d (originally aired on January 15, 1950).