Split Second Impulse News Today

She had gone through 18 weeks of training, carter says including on a range involving a scenario called shoot/no shoot. >> theyre designed to create that split second impulse. >> reporter: in 2009 it was two civilian officers that stopped nidal hasan. >> its an honor that i cant even explain. >> reporter: philip carter says that the mp thatst stopped lope is problemly inexperienced. >> imagine that youre making the right call in a matter of seconds. its incredible she did what she did. >> report...