I don't know if you're just not very well-versed with how f…

I don't know if you're just not very well-versed with how firearms function, but you would be seeing a fiery flash from the muzzle even in point blank you would see smoke coming out of his head which there is none of that, and they overloaded the weapon they used to make sure that it would for sure do the job. I don't know if you've heard of +P ammunition?