The president made similar claims about mail-in-balloting and fraud during his 2016 campaign.
In Iowa,a woman was charged in early 2017with having voted twice. The woman, a Trump supporter, told police that she believed his claims about a rigged election and thought her initial ballot would be changed to a vote for Democratic nominee Hillary Clinton
https://www.nbcnews.com/politics/2020-election/trump-tells-supporters-vote-twice-ensure-their-precious-vote-has-n1239194Its all there.DES MOINES, Iowa (AP) — An Iowa woman charged with voting twice for Donald Trump last fall pleaded guilty to election misconduct and is scheduled to be sentenced next month.
In exchange Terri Lynn Rote’s guilty plea to the felony charge, prosecutors agreed to drop a perjury charge, court records show. Judge Michael Huppert accepted her plea on June 27 and set sentencing for Aug. 15.
Rote is a registered Republican and a Trump supporter. She was arrested on Oct. 21 after showing up at a Polk County election satellite office in Des Moines and tried to cast a second ballot for the November election. She told police that she believed Trump’s claims that the election was rigged and thought that her first ballot would be changed to a vote for Hillary Clinton. Trump easily beat Clinton in Iowa to carry the state’s six electoral votes in the Nov. 8 election.
