Report: Uvalde police didn't try to open doors to classrooms where shooter was inside HD

San Antonio Express-News reports that Uvalde police may have assumed the doors were locked. MORE: https://www.wfaa.com/article/news/special-reports/uvalde-school-shooting/uvalde-roob-elementary-school-shooting-police-investigation/273-fa58a24a-072e-4f66-8dd4-a717c6ce29dd