While retired, Sherlock Holmes investigates the murder of a school teacher. Original Air Date: April 21, 1947 Try Netflix for two weeks free of unlimited movie rentals... http://netflix.greatdetectives.net Cast your vote at http://podcastalley.greatdetectives.net Become of our friends on Facebook…http://facebook.com/radiodetectives Take our listener survey at http://survey.greatdetectives.net Click here to download, click here to…