The comics are very good. The show has steered far away as to length of actual storylines in certain areas and how things turn out.
Both of my parents were in the marines. I know enough to where everyone is trained how to use a weapon. My mom has never touched a firearm outside of the military and has corrected 20/30 vision. If they trained her to be an expert marksman I'm sure people with military knowledge have no problem teaching regular people basic shooting. I guess I'm just being picky because I have read the comic so I expected more death