Debunking Explanations of Apologists for the Official Narrative of the Uvalde Event, Part 2

This is an addendum to Part 1 of Debunking Explanations of Apologists for the Official Narrative of the Uvalde Event (link below).
https://rumble.com/v33am08-debunking-explanations-of-apologists-for-the-official-narrative-of-the-uval.html

The 10.5-minute video is ALL TEXT. If you don't like to read, this video is not for you.
It addresses the common statements/questions typified below.
"This seems like a lot of effort to go through, and how could they get everyone to participate and to stay quiet?"

"How could so many people manage to keep it secret?"
"Surely someone would say something."