President-elect Donald Trump calls for an investigation into the famous pollster J. Ann Selzer of Iowa, whose final state poll incorrectly found the vice president Kamala Harris with lead.

“A totally bogus poll that has caused great mistrust and uncertainty at a very critical time,” Trump said he wrote on his Truth Social website on Sunday. “He knew exactly what he was doing.”

Selzer’s poll, published a few days before the election, found Harris with a three-point lead in Iowa.

Trump won the state by 13 points.

Selzer, who was known for her accuracy until this year’s miss, announced this weekend she finished with surveys and moving on to “other adventures”.

Trump shared the announcement and accused Selzer of “possible ELECTION FRAUD,” adding, “An investigation is fully called for!”

Trump has long pushed discredited and discredited claims of fraud over the 2020 election, which he lost. This may be the first time he has claimed fraud in an election he actually won.

Critics on social media warned that with the Justice Department at his disposal, Trump would soon have the power to conduct investigations like this one: