Today's Mystery: Vance investigates a series of murders committed by a whistling killer who tries to extort money from his wealthy victims.Original Radio Broadcast Date: May 9, 1950Originated in: New York CityStarred: Jackson Beck as Philo Vance, George Petrie as District Attorney MarkhamToday's program was provided by Radio Archives.Email detectives@radioarchives.com to get a free audiobook, a free ebook, and free old time radio collection.Listeners to the GDOTR can get 50% off on a subscription to receive 600 transcription transfers per month for the next five years through Radio Archives. You can try a sample month for $59.98 (proceeds go to the Great Detectives of Old Time Radio) and support the Great Detectives of Old Time Radio at this link.Support the show monthly at patreon.greatdetectives.netSupport the show on a one-time basis at http://support.greatdetectives.net.Mail a donation to: Adam Graham, PO Box 15913, Boise, Idaho 83715Take the listener survey at http://survey.greatdetectives.netGive us a call at 208-991-4783Follow us on Instagram at http://instagram.com/greatdetectivesFollow us on Twitter @radiodetectivesJoin us again tomorrow for another detective drama from the Golden Age of Radio.This show is part of the Spreaker Prime Network, if you are interested in advertising on this podcast, contact us at https://www.spreaker.com/show/4607052/advertisement