behind. and when we finally got out the back, that's where they started to calm down and reality started to set in, and people were starting to cry and calling their families and letting them know they were okay, calling the police. >> reporter: police responded in minutes to this shooting and managed to take the suspected shooter and 21-year-old whiteman from allen, texas, into custody without firing a single shot. twenty innocent people died and more than two dozen hurt affecting people from the ages of 2 to as old as 8, 0 82. -- 80,82. the mayor says it is a situation he could have never imagined happening, let alone in his town. >> mayor, how do you get our city ready in. >> i don't know. we have never done this before. i would hope and pray we'd never have to do fit again, but we'll do it. and we're going to survive because that's who we are.