Video shows police milling in hallway during Uvalde massacre


              Uvalde Mayor Don McLaughlin, Jr., second from left, speaks to residents during a city council meeting, Tuesday, July 12, 2022, in Uvalde, Texas. (AP Photo/Eric Gay)
            
              Residents speak about a released video during a city council meeting, Tuesday, July 12, 2022, in Uvalde, Texas. (AP Photo/Eric Gay)
            
              Uvalde Mayor Don McLaughlin, Jr., right, speaks during a city council meeting, Tuesday, July 12, 2022, in Uvalde, Texas. (AP Photo/Eric Gay)
            Joe Canales, parent of a Uvalde High School student, protests outside of a city council meeting, Tuesday, July 12, 2022, in Uvalde, Texas. A Texas lawmaker says surveillance video from the school hallway at Robb Elementary School where police waited as a gunman opened fire in a fourth-grade classroom will be shown this weekend to residents of Uvalde. (AP Photo/Eric Gay) Uvalde Mayor Don McLaughlin, Jr., second from left, stands with fellow council members for a prayer during a city council meeting, Tuesday, July 12, 2022, in Uvalde, Texas. (AP Photo/Eric Gay)