University of North Texas student Kelli Cox, 20, was last seen in July 1997 in Denton.
University of North Texas student Kelli Cox, 20, was last seen in July 1997 in Denton. Denton police Courtesy
University of North Texas student Kelli Cox, 20, was last seen in July 1997 in Denton. Denton police Courtesy

Digging to begin near Houston for missing UNT student

March 28, 2016 04:45 PM