A moment by moment account of last week's shooting at a Pennsylvania state troopers' barracks shows the gunman shot two troopers and missed on in 90 seconds.
ABC News: Top Stories, ABC News
Tue, 09/16/2014 - 3:43pm
A moment by moment account of last week's shooting at a Pennsylvania state troopers' barracks shows the gunman shot two troopers and missed on in 90 seconds.