Easy. - “Trump falsely claimed that mail-in ballots would lead to “a Rigged Election.” However, fact-checkers say there is no evidence that mail-in ballots are linked to voter fraud.”
Here is some evidence:
"Allegations that Hawkins altered 193 absentee voter records came to light during the 14-day canvass following the election. Benson said the Oakland County Clerk’s Office reported with the Bureau of Elections “the potential for these irregularities and from there we began our investigation.”