Today’s Mystery: A racketeer is the prime suspect in a murder, but he has an alibi – Vance and Markham. Original Radio Broadcast Date: February 14, 1950 Support the show monthly at patreon.greatdetectives.net Support the show on a one-time basis at http://support.greatdetectives.net. Mail a donation to: Adam Graham, PO Box 15913, Boise, Idaho 83715 Take…