Serious election observers quickly condemned Trump, pointing out that instances of noncitizens voting are vanishingly rare. "We know historically that this almost never happens," David Becker, executive director of the Center for Election Innovation & Research, told Politico.
"You're more likely to get eaten by a shark that simultaneously gets hit by lightning than to find a noncitizen voting."
https://www.yahoo.com/news/m/8461d78c-ffa6-3752-873a-4a1e02cfb0e5/why-a-weekend-of-raging-trump.html