Cohen has no audio recordings or other evidence to corroborate his claim of Trump's advance knowledge of the meeting, CNN also reported.
If the Federal Bureau of Investigation could substantiate that Trump Jr. called Trump senior at the time he was organizing the Trump Tower meeting and other witnesses - Cohen or others - were prepared to talk about what they saw, it could strengthen Mueller's case.
Democrats said the Cohen news, if true, means the Judiciary Committee needs to call Trump Jr. back for more questions. Sen. "A few months ago he wasn't telling all of these lies" a few months ago, I didn't know he was a lawyer who recorded his clients secretly.
In a remarkable interview with CNN's Chris Cuomo, Giuliani made the case that Cohen has no credibility and would be a death sentence if named a witness in any case Mueller may bring.
Cohen "even retained Bill and Crooked Hillary's lawyer", Trump tweeted.
"Sounds to me like someone is trying to make up stories in order to get himself out of an unrelated jam (Taxi cabs maybe?)", Trump tweeted, referring to reports that the FBI is examining Cohen's businesses in New York's taxi industry as part of a separate investigation into the lawyer.
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In an interview that aired on Fox News Saturday evening, Giuliani said Trump's legal team was investigating the tape of Trump and Cohen and suggested it might have been doctored.
However, Giuliani said he himself was "not allowed" to release the tapes, which include what he said were "183 unique conversations", citing rules concerning the audio, which was among the materials seized from Cohen's office, home and hotel in NY in April amid a criminal investigation of Cohen by the United States attorney's office for the Southern District of NY. Christie said that if Cohen wants to make a deal with prosecutors, he may be hurting himself by making claims publicly about Trump. "Mr. Giuliani seems to be confused", Davis said. The exchange makes it very clear that he was expecting to receive damaging information about Clinton as part of the Russian government's support for Trump as a candidate. "There was no such meeting [where Trump was told about the Russian offer]".
Rudy Giuliani, Trump's personal attorney, said Cohen is not credible and that the exchange described by Cohen did not take place.
It's unclear if Cohen has any legally damning information to provide special counsel Robert Mueller about Trump. His brother-in-law, Jared Kushner, and then-campaign manager Paul Manafort also attended that meeting in early June 2016.
Why would it matter if Trump knew about the Trump Tower meeting? . Those people denied that Trump had contemporaneous knowledge of the meeting on more than 15 occasions, according to CNN's analysis.
Mueller, who has led the Justice Department's probe into Russian meddling, is also looking into any links between the Russians and the Trump presidential campaign.The probe is also scrutinizing whether Trump sought to obstruct justice by firing Federal Bureau of Investigation director James Comey in 2017 and otherwise undermining other Justice Department officials.
Trump has repeatedly raged that the Mueller probe is a "witch hunt" and that there was "no collusion" with Russians by his campaign.