I'm curious... When you guys are talking about accidental "jaw shots" are you referring to a particular location on the jaw? Seems to me that as long as the bullet hits behind a vertical line drawn through front of the ear, in other words, where the jaw bone curves upwardstheshot is going to kill the deer, because, the bullet and all the bone fragments etc. will sever the jugular.
I hit one there, at a distance of 10 yards with my .30-06. I was told to make a head shot by the guy who was my host on his lease, because it was going to be his deer, and he didn't want to waste any meat. I had the crosshairs a bit higher, but didn't think about how the height of the scope over the barrel and how it would affect bullet placement at that close of a range. She dropped in her tracks, kicked a couple of times, and bled out:
The other side wasn't quite so pretty...