There is so much more, and from a medical viewpoint...
There would be no way for most of those people to think that Ashli was shot because most of them had an obscured view. Ever been in a crowd? What they saw was this woman fall from a higher up position to the floor.
If the crisis actors don’t have foreknowledge that her backpack is actually just a stuntman’s airbag, then why is no one concerned about anything in the bag or attached to the bag injuring Ashli? For example, has she been impaled in her back, in her lung, by anything she was carrying in the bag? Did she fall on something hard in the bag that caused broken ribs? Did she fracture her spine in this fall? Break a hip?
The whole scene of her fall is an orchestrated movie stunt - and all of their behaviors suggest foreknowledge that Ashli has no real injuries. The one guy even stands in front of the stairwell bannister to ensure she doesn’t hit her head - so they had premeasured the space for length. Ashli was selected because she is short and could fall in the space allotted. See her bouncing around in the 2:43 video in 3 clear positions, she is very short.
Empirical knowledge