Today's Mystery: A police lieutenant is notified that a doctor has received threatening letters. Original Radio Broadcast Date: February 21, 1960 Originating from New York Starring: Les Damon as Lieutenant Paul Nieman; Lyle Sudrow as Dr. Don Frasier;  Phil Meader; Larry Haines Support the show monthly at <a href="http://patreon.greatdetectives.net/" target="_blank" rel="noreferrer noopener">patreon.greatdetectives.net</a> Patreon Supporter of the Day: Keith, Patreon supporter since February 2017 Support the show on a one-time basis at <a href="http://support.greatdetectives.net/" target="_blank" rel="noreferrer noopener">http://support.greatdetectives.net</a> Mail a donation to: Adam Graham, PO Box 15913, Boise, Idaho 83715 Take the listener survey at <a href="http://survey.greatdetectives.net/" target="_blank" rel="noreferrer noopener">http://survey.greatdetectives.net</a> Give us a call at 208-991-4783 Follow us on Instagram at <a href="http://instagram.com/greatdetectives" target="_blank" rel="noreferrer noopener">http://instagram.com/greatdetectives</a> Follow us on Twitter <a href="http://www.twitter.com/radiodetectives" target="_blank" rel="noreferrer noopener">@radiodetectives</a> Join us again tomorrow for another detective drama from the Golden Age of Radio.

The Great Detectives of Old Time Radio

Suspense: Crank Letter (EP4652s)

Are you ready for a mystery? Get ready to unleash your inner sleuth. Every day Monday-Saturday, we feature a different detective audio drama from the Golden Age of Radio. Our current mystery-solving line-up of radio detectives includes The Adventures of the Falcon, Hot Copy, Broadway's My Beat, Mr. and Mrs. North, Yours Truly Johnny Dollar, and Dragnet.Whether you want to listen to a mystery before going to sleep or enjoy some drama while driving, or just feel nostalgia for old-school radio fiction, we have you covered with six audio dramas every week.Podcast Award finalist Host Adam Graham has...