President Donald Trump pushed a claim hyped by right-wing media that former President Barack Obama’s national security adviser Susan Rice may have committed a crime and could face legal jeopardy for “unmasking” Trump associates caught in surveillance.

On April 2, “alt-right” leader Mike Cernovich originally wrote that the White House Counsel’s office had “identified Rice as the person responsible for the unmasking [of Trump transition officials incidentally captured in legal surveillance] after examining Rice’s document log requests.” Cernovich’s post, which cited no other source for the claim other than the White House, noted that Rice would have been “authorized” to request that the names be unmasked, and did not claim she broke any laws. Cernovich’s post was amplified by fringe “alt-right” outlets, conservative media, Trump adviser Kellyanne Conway, and the president’s son Donald Trump Jr.

But some right-wing media figures, including Rush Limbaugh, have taken the still unconfirmed claim a step further, suggesting that Rice’s actions were illegal. However, that claim has been debunked by numerous national security experts who explained that nothing reported so far indicates that Rice violated the law, and that if she did unmask these officials, she would have been carrying out her duty as national security advisor. Former National Security Director Michael Hayden said it was “absolutely lawful. Even somewhat routine,” and, “There are very plausible, legitimate reasons why she would request such information.” Former CIA Acting Director John McLaughlin also defended Rice, saying, “she was doing her job. That’s what national security advisors are expected to do.”

But Trump has now parroted the claim that Rice may have acted illegally, commenting on the issue in an April 5 interview with The New York Times. The president said “‘I think’” Rice had committed a crime “by seeking the identities of Trump associates who were mentioned on intercepted communications,” adding that “‘it’s going to be the biggest story’” for “our country and the world.’” From the article:

President Trump said on Wednesday that he thought that the former national security adviser Susan E. Rice may have committed a crime by seeking the identities of Trump associates who were mentioned on intercepted communications and that other Obama administration officials may also have been involved.

“I think it’s going to be the biggest story,” Mr. Trump said in an interview in the Oval Office, declining repeated requests for evidence for his allegations or the names of other Obama administration officials. “It’s such an important story for our country and the world. It is one of the big stories of our time.”

He declined to say if he had personally reviewed new intelligence to bolster his claim but pledged to explain himself “at the right time.”

When asked if Ms. Rice, who has denied leaking the names of Trump associates under surveillance by United States intelligence agencies, had committed a crime, the president said, “Do I think? Yes, I think.”