Uvalde Shooting Update 6.10.22 - Some New Info On Armalite Rifle (AR) Purchase

Still Lots of questions:
Where and how did he get a Pistol?
What did he shoot Grandmother with?
Where is body cam footage?
Where is 911 call audio?
Where is School Video footage?
How did he buy the SECOND AR15?
Why no master key and why didn't cops have keys?
Why did survivor Kid hear loud "Death" Music but cops or teacher did not hear?
Why no pictures of Classroom so we can see WINDOWS?
According to Kid Shooter shot through Door window, Why didn't the cops?
At first they said room door was barricaded and they need tools, later A Key let them in?
Why NO cops attacked hinges, door locks or windows?
Why does a guy planning to shoot up school buy $2000 AR when he could get one for $600
Why did he buy TWO AR's and a Pistol?
Where did he get is shooting experience from having just had bought new guns?
Where is the FBI report from shooter being arrested earlier for wanting to shoot up school?
What did the 19 cops do for over an hour they were in hallway?

THIS IS WHAT INFO THEY PUT OUT: Friends and family of the Robb Elementary school shooter say he had grown increasingly confrontational and violent in recent months. A former co-worker at Wendy’s described the teen as “rude, creepy and scruffy.” Now, we are seeing inside the blood-soaked Texas home where he opened fire on his own grandmother before heading to the school. The killer’s grandfather showed reporter Ali Bradley the disturbing scene.