A quick statement and an important question to follow.
Regardless of if the projectile went through the frontal lobe or not, and whether or not it punctured any part of the brain, anyone who has walked down a basement stairway and whacked their forhead on the landing, knows you are dazed, your eyesight gets blurry etc.
I can think of a hundred instances over my almost 60 years on the green side of the sod that I have walloped my head while working under a car, wood flying off my lathe, snowball fights as a kid, etc. You just don't carry on as usual as if nothing happened. I can't imagine any juror even considering Travis took a .25 through his skull and it didn't phase him long enough for JA to make a run for it. It's just common sense.
now for my question. Who's bringing the sourdough donuts today?