“”””That’s true, but by requiring voting in person, combined with a requirement to see a photo ID, much of the cross-state voter fraud is eliminated. “””””
Voting in person and requiring photo ID will stop a person from voting twice.
BUT, it does not stop a person from voting in the state of his/her choosing. For a political activist it would be no big deal for them to drive from Illinois to vote in Indiana, as one example.
You're correct. That's where the indelible purple ink comes in. Paint those thumbs!