Just take a look at all the people who base their arguments on British common Law. Such was not the case as British common law dealt with subjects not citizens. We threw out the king. It is even stated by one of the Framers that the constitution was NOT based on British common Law. Yet, the Harvard elites and so many others continue to shove it down our throats. I was taught and I still believe Vattel’s Law of Nations. DISPROVE THAT if you can.
Yes, since it is in the Constitution -
To define and punish Piracies and Felonies committed on the high Seas, and Offenses against the Law of Nations;
That is Section 8 - Powers of Congress