Mark Grace was murdered in Tulsa on June 22, 2008 after he and a friend had encountered several unknown persons while out walking. After an argument, Mark was stabbed several times

(c)2017, Oklahoma Cold Cases, Inc. All rights reserved

Teal and white Oklahoma Cold Cases Logo is a Trademark of Oklahoma Cold Cases, Inc..

Slogan “Silence is Betrayal” is a Trademark of Oklahoma Cold Cases, Inc..

Trademarks may be registered in some jurisdictions. All other trademarks are the property of their respective owners. No claim to copyright is made for original U.S. Government Works.