While convalescing in Cornish country, Sherlock Holmes is confronted with a bizarre murder mystery that has seen two brothers and a sister wiped out. Original Air Date: January 31, 1949 Take our listener survey: http://survey.greatdetectives.net Become one of our friends on Facebook... http://www.facebook.com/radiodetectives Call 208-991-4783 to leave a voicemail. Click here to download, click here to…