Harden Wilgen and Stanley Creighton had invented a unit to cool the motor engine of a car that would make them millionaires. But Harden Wilgen had no intention of sharing any of the money with Creighton. Once Wilgen was sure the invention was perfect he poisoned Creighton and disposed of his body in the river after first being sure there was no way of identifying the body. 

Duration: 24:29

 Starring: Mel Johnson

 Broadcast Date: 1940