Robb Elementary school surveillance video during deadly attack in Uvalde

Law enforcement officers are told to stay back as shots are heard down the hall during a police entry into the Robb Elementary school classroom in which Salvador Ramos was located in Uvalde, Texas, U.S. May 24, 2022 in a still image from school surveillance video obtained by the Austin American-Statesman newspaper. Austin American-Statesman/Handout via REUTERS.