April 12 2014 - The son of James Irby, Jr., the Memphis man who disappeared after running from police during a May 4, 2013, traffic stop in Walls, Mississippi searches for any clues that could lead to the discovery of his father. James Irby Jr. has been missing for more than a month, he was allegedly shocked with a stun gun after he was found to have marijuana in his car and ran off into a farm field according to local law enforcement.