Day: July 30, 2018

EP2577: Mister Keen, Tracer of Lost Persons: The Case of the Man Who Invented Death

So lost, I'm fading

photo credit: Greyframe So lost, I’m fading viaphotopin (license)

An eccentric inventor who was working on a way to convert base metals to gold is murdered.

Original Air Date: October 6, 1949

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