Hell, Cheney couldn't kill a 78 year old man by shooting him in the face with birdshot, might be a moral in there.
I'll stick with the big stuff. Not looking to try to get small stuff through 3 layers of clothing and heavy winter jackets.
Moral: Lawyers never kill each other as they eschew having to learn the strengths and weaknesses of new opponents. Maiming is considered socially acceptable.
20 bore #3 buck: 2-3/4" will mostly penetrate thru and thru on a 250# hog on a broadside shot inside of 30 yards. Bone will stop them, flesh won't.