CNN CNN Newsroom With Carol Costello October 5, 2015 14:29:00
Hand, she thought about her three children and waited to die. >> the warmth of the blood that was all over me, that's when i knew that it was real and, i remember whispering to only one person next to me. he's just one person. we have to do something about it. >> reporter: then she heard the shoot eer make a promise. he would spare one of the male students. what did he say exactly? >> he said, you're the lucky one. i'm -- you know, i'm going to let you live, but i'm going to need you to go and tell the police everything that happened and give them this. >> reporter: he handed the man an envelo...