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 on Wednesday stepped up his personal attacks against CNN, lambasting the network and veteran journalist Carl Bernstein for a July report about the 2016 Trump Tower meeting.

“CNN is being torn apart from within based on their being caught in a major lie and refusing to admit the mistake," Trump tweeted Wednesday evening. "Sloppy @carlbernstein, a man who lives in the past and thinks like a degenerate fool, making up story after story, is being laughed at all over the country! Fake News.”

CNN is being torn apart from within based on their being caught in a major lie and refusing to admit the mistake. Sloppy @carlbernstein, a man who lives in the past and thinks like a degenerate fool, making up story after story, is being laughed at all over the country! Fake News — Donald J. Trump (@realDonaldTrump) August 29, 2018

Bernstein, known for his coverage of the Watergate scandal, co-wrote an article for CNN reporting that Trump's former lawyer and "fixer," Michael Cohen, was willing to tell special counsel Robert Mueller that then-candidate Trump knew about the June 2016 meeting between Donald Trump Jr. Don John Trump'Tiger King' star Joe Exotic requests pardon from Trump: 'Be my hero please' Zaid Jilani discusses Trump's move to cancel racial sensitivity training at federal agencies Trump International Hotel in Vancouver closes permanently MORE and a Russian lawyer promising dirt on the-Democratic presidential candidate Hillary Clinton.

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Cohen’s attorney, Lanny Davis, later publicly confirmed that he was a source for the story. He walked back his claim that Cohen knew Trump was aware of the meeting.

“I regret not being much clearer in saying I'm not sure about this story,” Davis, who is an opinion contributor at The Hill, told NBC News.

CNN says it spoke to multiple sources — not just Davis — for its article.

Trump Jr. also criticized CNN for the story, tweeting Sunday, “Comical to watch @CNN covering for leftist hack @carlbernstein. He & Obama staffer @jimsciutto obviously got story wrong. CNN 'stands by' it anyway, defending literal fake news. 3 'reporters' were fired for false CNN hit on [White House communications director Anthony Scaramucci Anthony ScaramucciFormer DeVos chief of staff joins anti-Trump group Scaramucci to Lemon: Trump 'doubling down' on downplaying virus 'should scare' viewers Sunday shows - Leaked audio of Trump's sister reverberates MORE] & this is FAR worse!”

Comical to watch @CNN covering for leftist hack @carlbernstein. He & Obama staffer @jimsciutto obviously got story wrong. CNN "stands by" it anyway, defending literal fake news. 3 "reporters" were fired for false CNN hit on @Scaramucci & this is FAR worse! https://t.co/KdgpXfGhgT — Donald Trump Jr. (@DonaldJTrumpJr) August 27, 2018

"We stand by our story, and are confident in our reporting of it," a CNN spokeswoman said on Tuesday.

This article was updated and corrected at 11:25 a.m.