GusQuixote AGR Second Floor Shooter(s) update SEPT26: shows his work, minor edits

I made a few deletions and speed-ups in the beginning so he gets into it faster. This is the methodology and some changes to the key for
https://rumble.com/v5w1vqk-gusquixote-j13-audio-charts-proof-of-multiple-shooters-at-butler-traces-to-.html
"UPDATE on the Previous Broadcast
I've taken some time to reset my brain and my thinking and need to clarify some of my conclusions...
Gus Quixote
Sep 26, 2024"
Full 23min vid with links to 17- and 23-foot margin-of-error spreadsheets, "AUDIO FILES and Pro Tools session from analysis":
https://gusquixote.substack.com/p/update-on-the-previous-broadcast