What a recipe for disaster that would be: so a criminal that has a gun (likely smuggled across the border) is being confronted by unarmed police, and he knows that the punishment is death -- jeez, I wonder what he might do???!!!
It seems that most of you strong anti-gun people don't get a simple fact -- guns exist and are easy to hide and smuggle, so if guns are legislated out then only criminals have guns. The vast majority of crimes committed with guns are not committed by lawful gun owners. Outlawing guns would only make it slightly harder for a criminal to have one, but they would have confidence that no one else will so they can do they want.
I used to live in Indonesia where guns are nearly completely illegal for civilians to own. Despite that, I personally knew at least six guys that owned handguns and kept them in their glove compartments or night tables. Why? After the 1998 riots where Chinese Indonesians were raped and murdered, relatively rich Chinese Indonesians decided they needed some personal protection and they got it through the black market. As long as guns exist anywhere in the world, guns will exist everywhere in the world. The cat is out of the bag.
So... since outlawing guns would not solve the criminal aspect, but would in fact embolden it, then what is the point again? Why not allow hunters and sport shooters to enjoy their hobbies if they are not the problem?