Or what happens when crimes are committed by, or at the direction and with the protection of the President of the United States. I think most people would not

Or what happens when crimes are committed by, or at the direction and with the protection of the President of the United States. I think most people would not argue that “US federal criminal law has no enforcement mechanism”, they would argue that “US federal criminal law has a significant practical enforcement problem where enforcement of the law conflicts with interests of the chief executive”.