Gregory investigates a young actresses' missing imaginary map and finds himself looking into murder and espionage. Original Air Date: July 1, 1946 Support the show...http://support.greatdetectives.net Become one of our friends on Facebook....http://facebook.com/radiodetectives Take our listener survey: http://survey.greatdetectives.net Become one of our friends on Facebook... http://www.facebook.com/radiodetectives Click here to download, click here to add this podca1st to…