Mr. Keen, Tracer of Lost Persons – The Nightmare Murder Case. 441214
As Mr. Keen and his assistant do office chores, his secretary is late, and has a mysterious story to tell. She brings in a neighbor who is sure that her…
Mr. Keen, Tracer of Lost Persons – The Case Of Murder And The Star Of Death. 490609
A matter of murder has Mr. Keen on the case, over a sapphire known as the star of death. A Sapphire is missing; the jeweler is murdered. What happened to…
Mr. Keen – The Case Of The Boy Who Used Big Words. 440210
A boy with an unusual manner, and one with quite a vocabulary, stops in Mr. Keen's office. Jimmy doesn't have a case of a missing person, but a person who…
Mr. Keen, Tracer of Lost Persons – The Case Of The Girl Who Flirted. 440203
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…
Mr. Keen, Tracer of Lost Persons – The Case Of The Missing Witness. 440113
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 – The Case Of The Glamorous Widow. 460523
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…
Mr. Keen, Tracer of Lost Persons – The Case Of The Woman In Blue. 440615
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…
Mr Keen – The Case Of The Absent Minded Professor 450315
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…
Mr. Keen – The Case Of The Two Faced Murderer. 500216
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…
Mr Keen – The Bride And Groom Murder Case A(AFRS). 500119
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…