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What is FOIA and USCIS? Also, the web address does not all appear on this page. Is there any way to display it completely? Yes, the rub is that there is no evidence of him revoking his US citizenship and one couldn't ask him for a reliable answer with his Alzheimer's.
Thanks very much to both of you for such quick responses. I shall follow up on the links immediately. By the way, can I get British citizenship since he was not a Brit "by descent" since all his family from way back were British? After this I will quit bothering you guys and give you a superlative rating.