The first images emerged showing armed police with rifles and ballistic shields waiting in a school corridor inside Robb Elementary School in Uvalde at 12:04 p.m. May 24. Authorities stormed the classroom at 12:50 p.m.
By noon, officers had rifles, a Halligan and at least one ballistic shield — yet made no attempt to enter the classrooms for 50 minutes.
Police waited for a master key to arrive so that the classroom doors could be opened, even though it had not been established that the doors were locked, while tools were also available that could have been used to break them down, the Texas Tribune reported.