Video - National News
Posted on April 2, 2014 at 7:33 PM
Updated Wednesday, Apr 2 at 8:43 PM
President Barack Obama vowed that investigators will get to the bottom of a shooting incident Wednesday at Fort Hood, Texas, seeking to reassure the nation whose sense of security once again has been shaken by mass violence.
More National News Videos
Credit: Katrina Gutierrez / WFAA