If you don't understand how having 8x the number of firearms per capita increases the ease in which criminals have access to them, I'm not sure what to say. Strict laws and licensing requirements mean nothing if it is still trivial to gain access.
I'm not even for gun control - I feel like the genie is so far out of the bottle at this point that there's no real sense in trying to put it back in, and the only way for everyday citizens to be on level ground when it comes to self defense, home protection, etc., is being armed themselves. But acting like states or cities with strict gun control actually have the ability to prevent criminals from having access to them is silly.