The trouble is seeing the negative effects of removing a law before you do. What works in one place will not work the same in another.
Though are are many I would not mind to shoot, I would not mind to stone them if that was the alternative. Unfortunately some might like to do that to me too.
I think the difference is somewhere between moral and justified. Justified more often goes against the morals.
Killing may not be right. I am unsure what the difference is in how. But some should be removed from the equation.