Also, we are not in full knowledge of the facts, but I would have thought you could shoot the tyres out of the car or something, unless it had just appeared and was very close?
Shoot out the tyres? Do u know how hard it is to even hit a tyre of a vehicle that is speeding towards u at 60 miles an hour. If you are up above it, and it is front on towards you, you cant even see the tyres. In addition, from watching car chases on TV - you will see that shooting tyres stops people eventually.....like 2 miles down the road when the rims catch fire. But not enough to stop a truckbomb before it blows up the checkpoint.
So let's stay realistic. The 'shoot the gun out of his hand' 'shoot the tyres' shoot his big toe - always gets a run. It aint that easy. Don't believe me? Go to a range and give it a try. Its hard enough to hit a stationary target - let alone one moving at speed.