Then maybe we can give him a nudge and ask him to start investigating the 20-30 year old muslim men who take trips to their home countries and return to the USA with their underage ‘sisters’ and ‘cousins’ who are in fact their wives.
In Islamic nations, it is quite common to marry a cousin. Hence a man coming back with his cousin is probably bringing back his wife, too. So the “cousin” part isn’t a lie, just the failure to register a polygamist family.