You mean this video?
https://www.youtube.com/watch?v=AZ9oThRuMVs&bpctr=1610319358
That video depicts her climbing through a window in a hallway, attempting to get over a barricade. It wasn't a window that led to the outside. The gun was there for 16 seconds.
I now have videos from two perspectives that prove you are lying. Absolute, irrefutable proof. She wasn't "Doing nothing." She was trying to breach a barricade, ignoring the fact that a gun was pointed at her where people shouted "He has a gun!" for sixteen seconds.