Trump told his supporters to vote twice, once with a mail-in ballot and again at a polling station.
He implied that attempting to vote twice will test the security of the mail-in voting system.
“Send it in early and then go and vote,” Trump told supporters at the airport.
His words of encouragement are actually against the law.
Voting twice is a felony.
Trump has repeatedly said the upcoming November election will be illegitimate if he loses.
Voter fraud in the U.S.