There are NO CARPET BURNS from 400+ degree shell casings.
The hand gun is 3 feet from the top of his head but an AR rifle is over his leg.
The magazines are stacked meticulously but the arms are spread out all over.
Why tripod stands for guns that would rest on the window sills.
I could go on but one more thing. Muzzle flashes all over the place except the from the 32nd floor...
In the other video from the same guy from Vidme. It shows a the likely muzzle flash from a few floors lower then where the incident took place.