A police officer at the scene tells PEOPLE about the decision to wait for an hour before charging the school
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The commander on the scene believed that the gunman had barricaded himself into an empty classroom, and that no children were at risk, says Col. Steven McCraw
Rep. Joaquin Castro is urging investigators to use their authority to examine the timeline of events in the shooting
'You're All Gonna Die': 10-Year-Old Survivor of Uvalde Attack Recounts Horror Inside Classroom
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Samuel Salinas, 10, says he played dead to survive the shooting
Police and witnesses have conflicting accounts of what happened at the mass shooting at Robb Elementary School
Elsa Cristina Flores, 22, was arrested earlier this month and charged with six counts of sexual conduct with a minor, among other charges
According to a police timeline and multiple witness accounts, the gunman was able to barricade himself into a classroom despite officers engaging in gunfire with him outside the school
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The cousins were in the same class at Robb Elementary School when a gunman opened fire
'Fathers Smashed Windows and Pulled Kids Out': First Responders Recount Horror of Uvalde Shooting
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A firefighter, an EMT and a police officer tell PEOPLE about the horrific scene during and after Tuesday's mass shooting at an elementary school in Uvalde, Texas