>> and, jessica, unbelievably he got his first aid training during a class when he was in high school. he said it instantly came back to him and he jumped into that mode. clearly this young man helped save the congresswoman's life. he has heard from the family, including her husband. they have called him expressing gratitude for his actions in those precious moments before the ambulance arrived. >> a remarkable story, ted, a story of heroism amidst tragedy. john, a really remarkable tale from here in arizona. >> and a humble hero, jess, but a hero nonetheless. remarkable. we'll talk again to mr. hernandez in the next hour. we'll have a new interview with him. when we come back, all of congress is asking the question. this was a horrible, horrible incident. is it's lated or does congress need to rethink congressional security?