There is currently a lawsuit going on in PA regarding non-citizens "accidentally" being registered to vote through a glitch in their driver's license program. It is estimated over 100,000 non-citizens are registered to vote illegally. How can we be sure that none of them voted today?
https:// www.washingtontimes.com/news/2018/feb/26/lawsuit-100000-noncitizens-registered-vote-pa/