https://www.cnn.com/us/live-news/tex...8d6ded62f21180"Three minutes after the subject entered the west building, there was a sufficient number of armed officers wearing body armor to isolate, distract and neutralize the subject. The only thing stopping a hallway of dedicated officers from entering room 111 and 112 was the on-scene commander, who decided to place the lives of officers before the lives of children."