Come on, people intent on vote fraud don’t stand there in front of just anybody and very obviously vote twice. They go to different precincts or send in absentee ballots.
In all fairness, you may be right.
That being said, if someone is unable to scam their way to get something (money, votes) then force is the way. Get some thug with a nightstick, and you can get away with a lot. Not every one can be a jewel theif, so they become a mugger-same thing-different method.
I don’t know if this story is correct. But it’s similar to what IS going on as we speak, and so I’m inclined to takre it seriously.