[godelski]

Not to mention that you can catch double voting across state lines. It's not common that people do this but it does happen and people are really looking for it.

Hell, the fact that so many people have been looking for massive voter fraud for about a decade now and haven't is pretty telling. People aren't good at keeping secrets and if it's being done at scale it would be uncovered or leaked. Accidents and stupid people happen, but that works both ways