Chad Littlefield and Chris Kyle: 'Two heroes died that day'

The story of the life and death of Navy SEAL sniper Chris Kyle is widely known. It's been told in a best-selling book, a blockbuster movie and by countless local, national and international news organizations. But there was a second man, Chad Littlefield, who was gunned down with Kyle on Feb. 2, 2013, at an outdoor shooting range southwest of Glen Rose.