This information is buried in the NYT article at the end.
Sounds like he may have an illegal alien nanny problem. Were SS taxes paid?
good catch. Someone on a visa needs a sponsor. Was Zero her sponsor? If he was, when auntie overstayed her visa, what reporting to what agencies did he do, as her sponsor? And if he was, how much does he owe Uncle Sam for his auntie being on public assistance? (and, who was uncle’s sponsor?)
http://www.immihelp.com/affidavit-of-support/sponsor-responsibilities-obligations.html