President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE met with one of the leading promoters of the "QAnon" conspiracy theory in the Oval Office on Thursday.

The Daily Beast first reported on Friday that YouTube conspiracy theorist Lionel Lebron was at the White House for an event and that during his visit he posed for photos with Trump in the Oval Office.

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"There simply are no words to explicate this profound honor," Lebron wrote on Instagram while sharing a photo of him and Trump.

Lebron is a leading promoter of a fringe far-right conspiracy theory that, among other things, claims some Democratic lawmakers are part of a globalist pedophile cult.

One “QAnon” theory that has been popularized by the president is the claim that the “criminal deep state” is operating behind the scenes of the government.

The theories have been shared by notable figures on the right, including actress Roseanne Barr and Infowars founder Alex Jones.

Lebron said he received a “special guided tour of the White House” before getting the opportunity to take pictures with Trump, according to the Daily Beast.

The news outlet noted that Lebron said in a video posted on YouTube that he did not speak with the president about the conspiracy theory.

“I think we all know he knows about it,” Lebron said in the video.

The White House and Lebron didn't respond to request for comment for the Beast's report.