A museum curator hires a flirtatious girl. Suddenly, in the middle of painting a copy of a portrait, she disappears. The clues for the mystery are laid out when the…

CBS net. “The Case of The Missing Witness”. Sponsored by: Anacin, Kalymnos, Heet, Kriptin, Bisodol, Hills Cold Tabs. A famous fashion designer has killed her daughter’s lover…or has she? Bennett…

Mr. Keen, Tracer of Lost Persons. January 6, 1944. CBS net. “The Case of The Moonless Night”. Sponsored by: Anacin, Kalymnos, Heet, Kriptin, Bisodol, Hills Cold Tabs. Mr. Keen’s in…

Mr Keen and his assistant get ready to call it quits for the day. Before he can leave though, the cleaning lady needs to talk with Mr Keen about a…

A nervous Air Force officer waits to see Mr Keen. He is due to return overseas. Time is short, and he wants to find a woman he met, and fell…

A Harvard professor, and his step daughter enjoy an evening at home. When some sleeping medicine gets mixed up, the mom is given the wrong bottle, and dies. A week…

One of the most famous characters of radio fiction, Mr Keen is on the case of another mystery. In a suburban cottage, a man and woman have a spat, when…

At a big, swanky, New York party, a man and woman go off together for a quiet moment on their honeymoon. As the man goes to make a phone call…

At an orphanage, Mr. Keen talks to a police officer about a troubling case of a missing boy. A boy has been found who seems to be afraid of the…

The scene opens on an estate where two people are horseback riding. Their conversation is interrupted when they discover a body. The case finds its way to Mr. Keen for…