Today's Mystery:Vance investigates how a businessman could have been murdered by a man who'd broken into his safe with the combination when only the murdered man and his secretary knew the combination.Original Radio Broadcast Date: November 15, 1949Support 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 back here tomorrow for another old time radio detective drama.