They are not overshadowed because life is not a commodity bartered according to rules of law. Once you take a life there is no restitution. Life is not a transaction: it is destiny, and it is above the law.
Rules and reasons for why killing is okay are therefore all equally wrong.
This is a religious stance and not how the world actually works, nor does it have anything to do with the previous discussion of the relative moralities and freedoms of countries. Since you think North Korea is the same as the US, there's nothing further to discuss here.
Rules and reasons for why killing is okay are therefore all equally wrong.