It's illegal to use the USPS to commit a crime
James is a passionate Donald Trump supporter in a state that votes by mail.
James wants to have a disproportionate impact on the election.
James works in a phone bank calling people to remind them to vote for Donald Trump.
James takes his neighbors' ballots out of their mailboxes, votes for Donald Trump, and mails them in.
James convinces at least a few of the people he talks to to vote for Trump.
The poll workers notice that the signatures on ten different ballots are identical and report James to the police.