Thomas Jefferson as Secretary of State wrote a letter to US Attorney William Rawle to apprehend and prosecute US citizens who violate the Law of Nations.
Jefferson believed the Law of Nations was part of the law of the land...rules every citizen must obey.
US Attorney General Lee in 1797, “The Law of Nations in its fullest extent is part of the law of the land.”
There are so many I could list who said the Law of Nations is a part of our laws or law of the land.
There is a big cover up going on.
4 At the time of the formation of the Constitution, John Jay had written: “Under the national government...the laws of nations, will always be expounded in one sense...[and there is] wisdom...in committing such questions to the jurisdiction and judgment of courts appointed by and responsible only to one national government....”
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In 1793, then Chief Justice Jay recognized that “the laws of the United States,” the same phrase found in Article III, § 2, cl. 1 and in Article VI, cl. 2 of the Constitution, includes the customary “law of nations” and that such law was directly incorporable for the purpose of criminal sanctions.7
That same year it was affirmed that the “law of nations is part of the law of the United States.”8 Chief Justice Jay had also charged a grand jury in Virginia that year in markedly familiar words: “The Constitution, the statutes of Congress, the law of nations, and treaties constitutionally made compose the laws of the United States”9"
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"Talbot v. Jansen, 3 U.S. (3 Dall.) 133, 159-61 (1795) (Iredell, J.). See also 1 Op. Att’y Gen. 566, 570-71 (1822) (law of nations is part of “the laws of the country” and “our laws”)."
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"The judicial power to identify, clarify and apply customary international law has a constitutional base. Under Article III, § 2, cl. 1 of the Constitution, not only might matters involving customary international law arise under other parts of the Constitution as such or treaties, but they can also arise as and under the phrase “the Laws of the United States.” As recognized by the first Chief Justice of the U.S. Supreme Court, this same phrase, “the laws of the United States,” includes the customary “law of nations.” Henfield’s Case, 11 F. Cas. 1099,"
http://washingtonpost.findlaw.com/supreme_court/briefs/03-1027/03-1027.mer.ami.intlawprofs.pdf