First off, "that year" is this year, so you're boldly claiming there's a document claiming a lack of deaths in a whole year that hasn't ended yet. But even ass

First off, "that year" is this year, so you're boldly claiming there's a document claiming a lack of deaths in a whole year that hasn't ended yet. But even assuming such a document exists, do you have evidence that he hadn't naturalized and therefore would have given up US citizenship as part of that process?