President Trump claimed that “treasonous thugs” in former President Joe Biden’s administration allegedly took advantage of his predecessor’s cognitive impairment in the White House.

Trump alleged that Biden never wanted open borders or for criminals to “flow into our country,” but the ideas were from his allies, who “wanted to destroy” the US.

“This is TREASON at the Highest Level!” Trump wrote on Truth Social on Tuesday.

“It was the people that knew he was cognitively impaired, and that took over the Autopen,” Trump wrote. “They stole the Presidency of the United States, and put us in Great Danger.”

President Trump shakes hands with President Joe Biden at the start of the inauguration ceremony inside the Capitol Rotunda on Jan. 20, 2025.Getty Images
Biden’s recent diagnosis of an “aggressive form of prostate cancer” and Tuesday’s release of “Original Sin” by Jake Tapper and Alex Thompson shined a new spotlight on the retired politician.

Trump supported Biden’s record and said the former senator would not have allowed several of the border policies to pass.

“The Joe Biden that everybody knew would never allow drug dealers, gang members, and the mentally insane to come into our Country totally unchecked and unvetted. All anyone has to do is look up his record,” he said.

Trump called for “severe” punishments for those in Biden’s administration who allegedly took advantage of the now-82-year-old while he was in the Oval Office.

“Something very severe should happen to these Treasonous Thugs that wanted to destroy our Country, but couldn’t, because I came along. MAKE AMERICA GREAT AGAIN!”

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President Trump speaks to reporters in the Oval Office of the White House on May 20, 2025.REUTERS

President-elect Donald Trump and President Biden meet in the Oval Office after the election on Nov. 13, 2024.Getty Images
Under Biden’s administration, over 8 million illegal immigrants slipped into the US, a majority crossing the southern border, including several future murderers.

Trump made the assertion as the 46th president’s allies have come under fire for allegedly covering up Biden’s mental and physical ailments while in the White House.

Experts and officials on both sides of the aisle are calling for an investigation into Biden’s health history as they remain skeptical that the octogenarian was never tested for prostate cancer until recently.

“I do believe that they felt like something was going on, and were worried about it and kind of hedged around it for a little bit,” one White House staffer who worked in proximity to Biden told The Post.

Joe Biden and Dr. Jill Biden pose for a picture after the former president was diagnosed with prostate cancer on May 18, 2025.

Venezuelan migrants speak with members of the Texas National Guard in an attempt to cross into the United States after crossing the Rio Grande river from Mexico on Sept. 27, 2023.James Keivom

Migrants cross the Rio Grande river between Mexico and the US in Eagle Pass, Texas, on Sept. 30, 2023.James Keivom
“I just don’t know how they just, kind of find this out on a Friday, and it’s this far advanced and serious,” the Biden White House aide said. “[If it’s] in the bones, there’s gotta be a discomfort … I think they just didn’t test.”

Trump accused Biden allies of not telling the truth in his reaction to the cancer diagnosis.

“I’m surprised the public wasn’t notified a long time ago,” Trump told reporters in the Oval Office Monday.

“To get to stage 9, that’s a long time,” added the president of Biden’s cancer scoring a 9 on the Gleason scale, which indicates a “high-grade” cancer that can spread quickly.

President Biden speaks to reporters during the White House Congressional Picnic on July 12, 2022.AFP via Getty Images
Vice President JD Vance called out the White House aides for hiding Biden’s ability to serve as president.

“In some ways I blame him less than I blame the people around him,” Vance told reporters on Air Force Two, noting that “of course we wish the best for the former president’s health.”