I’m assuming in areas heavily populated and run by democrats, they must have full reign at the precincts to do whatever the heck they want with all those blank forms at the end of the night on election night.
“How many more does he need?....Here ya go!”
That's certainly a possibility, but you would be increasing the number of people involved. The more people involved the greater the chance of getting caught. Also, how can they be sure the Pub election official won't hang around?