- Desperate 911 calls from inside Uvalde classrooms never got to school police chief, legislator says NBC News
- School police chief didn’t have his radio during Uvalde school shooting, State senator says WFAA
- How the Police Response in Uvalde Broke Down: No Radio, Old Tactics The New York Times
- Active shooter vs. barricaded suspect | Instructor who taught Uvalde CISD officers says it’s part of the training KHOU.com
- How law enforcement’s narrative of the Uvalde massacre has changed CNN