There were several books published about this about fifteen years ago, and numerous discussions on Free Republic. One book “Vote Scam” explained how vulnerable to fraid the machines are. It related how mschines failed tests snd how experts could hack the machines. We conspiracy theorists on Free Republic have known about this for years.
Republican politicians have been disgustingly negligent for years in not informing themselves about the unreliable machines and demanding paper ballots. No excuse for Republican candidates not screaming fraud and demanding paper ballots.
We have a reliable honest system here in Wyoming using paper ballots marked with a black marking pen furnished to the voter and then deposited into a locked counting machine.
If there is any question about the count, the ballots are in the machine and can be taken out and counted by hand.
Diebold and other voting machine manufactures try to sell these machines for elections but the machines are unnecessary. All you need is the ballot counting machine.
Ever since the hanging chads of 2000, in CA I’ve voted on the inking cardboard strip and they were pushed into a locked counting machine. Now there is a worker looking on a screen on the other side of this machine to ensure your vote is registered or whatever.