A voter enters Tuscaloosa County Ward 5, Montgomery Fire Department, to vote during a primary election, Tuesday, March 5, 2024, in Northport, Ala. (AP Photo/Vasha Hunt)

Donald Trump’s claim that non-citizens are crossing the Southern border and registering to vote in US elections has become a centerpiece of his presidential campaign, even though every major study shows that non-citizen voting is exceedingly rare.

But a lawsuit filed last month shows that those false assertions of voter fraud are leading to real world instances of qualified voters being blocked from casting a ballot.

On August 13, Alabama Secretary of State Wes Allen, an election denier who supported Trump’s attempt to overturn the 2020 results, announced that his office had identified 3,200 alleged noncitizens who had registered to vote in the state and had begun removing them from the voter rolls. He said the names were pulled from a list of individuals who had received noncitizen identification numbers from the Department of Homeland Security. Even then, he conceded that “it is possible that some of the individuals who were issued noncitizen identification numbers have, since receiving them, become naturalized citizens and are, therefore, eligible to vote.”

On September 27, the Department of Justice........

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