Those Old Radio Shows Curiouscast

Barrie Craig, Confidential Investigator - The Crimson Queen
Announcer-Carl Carouso
William Gargan & Barbra Weeks 
"The major trouble with murder as a career is that it has no future. You come pretty quickly to the end of your rope...and usually it's around your neck."

The Secrets of Scotland Yard - Great Gold Robbery
Late 1940s
Narrator - Clive Brook
The Secrets of Scotland Yard was a successful crime drama series.
Percy Hoskins, a 1950s crime expert and reporter for the London Daily Express. He knew every nook and cranny in London’s seedier districts and personally reported on many of the major crimes of the day.

Wanted - Jailbreak - Henry Clay Tolett
1950
Announcers - Fred Collins & Don Pardo
Walter McGraw
Wanted for Jailbreak

The Adventures of Frank Merriwell - The Unreasonable Aunt
1948
Lawson Zerbe, Elaine Rost and Hal Studer 
Frank saves a woman from being cheated out of her soap factory.

Danger With Grainger - The Arnie Lessick Story
Ray Barrett
1940s
"I've been framed", Arnie Lessick was convicted of one of his crimes,
a conviction which led to murder...

Lux Radio Theatre - The day The Earth Stood Still
1954
Announcer-Ken Carpenter, Art Linkletter
Producer-Irving Cummings, Narrator-Paul Frees
Michael Rennie, Jean Peters, Lamont Johnston, Herb Butterfield,
Tudor Owen, Billy Gray, Edith Evanson...   
An alien from space gives mankind a final chance to achieve world peace.