Revealing mistakes: In the car scene where Smith shoots out the windshield of his car and the van full of assassins the glass breaks into a few large pieces which easily fall out of his way. Car (and van) windshields are made out of two pieces of glass with a sheet of polymer or laminate between. This means that when broken (even if shot) the windshield will break into many small pieces, but these pieces will be held in position by the laminate. The glass used in the two vehicles for this scene are obviously not 'real' windshields. Furthermore, in a head-on collision of two vehicles traveling at the depicted speed, Smith should have been propelled all the way through the van's cabin, probably hitting his head against the back door.
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