Who is covered by the Constitution? Does it apply only to citizens? Do illegal aliens have the same rights as citizens?. It is time for me to go back and reread that awesome document, to rid myself of misconceptions that have taken root in my mind. Do your own refresh. There are transcriptions of the Constitution here and the Bill of Rights here.
The founding fathers of our country established their concepts of what a just and ordered society should be through the Bill of Rights and the Constitution of the United States. At the time, none of them were citizens of anything much more than the British crown.