Okay.
Natural law was part of the foundation of American law, along with “the law of nations” (as well as, of course 2,000 plus years of Greco-Roman-English codes and common law precedential deciusions)
And now, as a consequence, we have The Law as it currently stands. A complete system of legislatures, courts and it’s own body of precedential decisions as to both common law and statute.
That being the case, the best (indeed only) guidance we have for applying “natural law” to current day controversies — is to apply The Law.
And for a litigant or defendant to appeal to “natural law” outside of The Law is simultaneously both pointless and redundant.
The Nazis also applied "The Law."
It wasn't very natural.
[[And now, as a consequence, we have The Law as it currently stands.]]
We have that, because little by little, the anti-God liberals have chipped away at natural law until there is nothing left- knowing full well that we the people wouldn’t have the nerve to take to arms to protect our right to be bound by natural law over ‘the law of nations’
[[And for a litigant or defendant to appeal to “natural law” outside of The Law is simultaneously both pointless and redundant.]]
The whole point of natural law was that it is supposed to supersede the law of nations- even our founding fathers cited this fact and told us that if we were not willing to fight to keep our right to natural law, then we would have to surrender it- This was precisely why our founding fathers issued the lines about the right to bear arms- in order to stand up to a tyrannical out of control government- (and by implication, an out of control law system as well)
Except for when human law goes against natural law.