COLD CASE: Joe Shelton Jr was driving to work last November when a piece of concrete slammed into his windshield, killing him instantly. Now 7 months later no one has been held responsible for his death. Hear his story and more all-day tomorrow as News 2 investigates unsolved cold cases in Tennessee. . . . #news #nashville #nashvillenews #middletennessee #tennessee #coldcases #joeshelton #coldcase #murdermystery #middletennesseenews