The attorney general claimed Blake was "committing a felony" and that states that expand vote-by-mail are "reckless and dangerous."
Trump told his supporters in North Carolina to vote twice to test the security of voting by mail.
Whether you're voting by mail or heading to the polls, here are answers to all your questions about how to cast your ballot safely and effectively.
Request your ballot as early as your state allows, send it back more than a week before the election, and trust an institution that has delivered for more than 200 years.
"Twitter is completely stifling FREE SPEECH," the president wrote, on Twitter.