“Sticking your firearm out of the car window creates the opportunity to separate you from it. Bad idea.”
I thought similar, really a dumb idea. I could easily be taken away from the rear. While in the car one cannot react fast enough, movements are severely restricted. At least on foot one can pivot to the rear.
It could have been taken away and he could have been shot with it.
One account had four persons total in the vehicle, not just a driver.