hero. annmarie murphy was a wife and mother of four. when music teacher rosa kristopeck heard gunfire she locked all of her students in ha storage closet. musical instruments blocked one door and she held her hand tightly to the knob on the other door and she heard the shooter yell, let me in, let me in. she held on, her and her kids survived. the assistant librarian had 18 fourth graders in the library. she heard the commotion over the intercom. she rushed all of her kids to an empty classroom, they barricaded the door, they wait, they wait and they survived. police finally pulled them out. just a few stories, megyn, many, many heroes on that day, remember some 650 teachers and students got out of that school alive, and for each of them there is a reason. megyn: incredible. that principal and the school