Today's Mystery:Two business partners send letters to the police alleging that the other is going to kill them. They're found dead in their office, poisoned with different poisons.Original Radio Broadcast Date: April 13, 1949Originating from New York CityStarring: Karl Swenson as Mister ChameleonSupport the show monthly at patreon.greatdetectives.netPatreon Supporter of the Day: Sean, Patreon Supporter since June 2018Support 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.