"Isnora and his colleagues knew the following, when they saw a car racing toward them whose occupants they believed could have guns:"
How big is that parking lot?
Yea, I quit reading when I got to that sentence...
Accelerating at 1G how fast would be going in 20 feet? At the end of the 2nd full second you would be going 43 mph and would have traveled almost 100 feet. I would guess that after only 20 feet the airbag wouldn't even blow hitting a solid object ... oh! Right, the air bag didn't go off did it?