Yes but the topic is mail-in voting fraud. He was physically at the polling place and stuffing the box. It's fraud and should be punished, but it has nothing to do with mail-in voting fraud.
Basic risk management principles would lead to implementing controls to either reduce the probability of the risk, or reduce the effective impact of the risk. The US has been stuck doing neither since the Bush/Gore election.
https://www.reuters.com/article/us-usa-election-north-caroli...
Based, on this, Republicans cannot be trusted to hold impartial elections