access to the voting machines just shows how clueless people can be to potential methods of voting fraud.
Check out this video from Princeton University showing how access to machines gives them the ability to infect them with a virus that can switch votes in whatever ways they desire... and then delete itself after doing so, making it impossible to detect after the fact. Start at the 6 minute mark if you want to cut to the chase:
https://www.youtube.com/watch?v=GaLyth-08Hg