Deputy critically injured during televised pursuit in Tennessee

A Tennessee sheriff’s deputy was knocked unconscious and hospitalized in critical condition after a suspect threw rocks during a pursuit, an incident caught on the show "On Patrol: Live." The suspect has been charged with attempted murder, and the community is rallying behind the injured officer as he begins a long road to recovery. For more context and news coverage of the most important stories of our day, click here: https://www.nbcnews.com » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watc ...