Taste of old times

The Shadow：The Shadow came back to the airwaves to narrate other crime programs, such as, "Blue Coal Mystery Revue and a handful of his own short lived shows in 1932 and 1934. However, they too were dropped from the airwaves.
Five Minute Mysteries 82 Eps：was broadcast on the MBS (Mutual Broadcasting System) from 1947-08-10 thru to 1950-03-27. Listening carefully to every word spoken about these terrific (but brief) mysteries was essential, as each mystery was very well written.
This is Your FBI：The 1945-53 officially backed radio series (the first episode includes an appearance by FBI director J. Edgar Hoover) detailing real life cases from the files of the FBI.
Command Performance：Episodes of the old-time radio AFRS variety show "Command Performance".