Republican presidential nominee Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE is calling on early Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE voters suffering from "buyer's remorse" to change their ballots in the few states that allow for it.

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It's a little-known fact that certain states allow for absentee voters to change their minds after they cast their ballots. According to the Trump campaign, Wisconsin, Pennsylvania, Michigan and Minnesota allow for such a switch, with varying rules about the process.

And to the Trump campaign, the recent disclosures from WikiLeaks and emails newly uncovered by the FBI that may tie into its investigation of Clinton's private email server could cause voters to have a change of heart about the Democratic nominee.

"This is a message for any Democratic voter who has already cast their ballots for Hillary Clinton and who are having a bad case of buyer's remorse, in other words you want to change your vote: Wisconsin is one of several states where you can change your early ballot if you think you've made a mistake," he said Tuesday night at a rally in Eau Claire, Wis.

"A lot of stuff has come out since you voted. If you live here, or Michigan, or Pennsylvania, or Minnesota, you can change your vote to Donald Trump."

Trump's campaign teased the argument Tuesday morning with a tweet from a top Trump aide giving Pennsylvania early voters a number to call to change their vote.

When The Hill called the number, which leads to the state Department of Elections, a reporter was told voters can change their ballot if they show up on Election Day, vote again, and tell a poll worker that they wish to void their early ballot.

Victories in any of those four states would be a boon for Trump, as he trails by significant margins in all of them.

But it's unclear how many people would follow through on changing their vote, considering early voters are typically more certain about their choice or are either unwilling or unable to wait in line on Election Day.