Diamond's assignment to guard a very unusual client named Timothy leads to a comic encounter with diamond smugglers.

This Richard Diamond, Private Detective broadcast aired on February 5, 1950. It is listed as episode 40 in the archive. NBC Radio Network carried the broadcast. The cast includes Dick Powell, Ed Begley, Tony Barrett, Lawrence Dobkin, and Wilms Herbert. Other credited names include Russell Hughes as director, Blake Edwards as writer, and Edward King as announcer.

The surviving recording runs about 29 minutes.

Dick Powell stars as the quick-witted private eye Richard Diamond, whose murder cases combine hard-boiled detective plotting with humor, romance, and Diamond's habit of ending adventures at the piano.

Listeners can expect mystery, crime, and drama, episodic drama in format, and humorous, lighthearted, and suspenseful in tone.