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’s lawyer Rudy Giuliani said Sunday that the tapes of private conversations between Trump and his former personal attorney Michael Cohen are proof that special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE’s probe into possible ties between the Trump campaign and Russia “is going nowhere.”

“In that sense, they prove that this investigation is going nowhere,” Giuliani said of the tapes during an interview with radio host John Catsimatidis on New York's AM 970.

“Donald Trump didn’t do anything wrong, he didn’t commit a crime of any kind,” he continued.

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The lawyer said he listened to a recording Cohen made of a conversation between him and CNN’s Chris Cuomo, during which the two discussed Cohen's arrangement of a payment to adult-film star Stormy Daniels meant to keep her quiet about her alleged affair with Trump in 2006.

“Cohen, over and over again, answered Chris Cuomo’s questions by saying [Trump] didn’t know about it, he did it on my own,” Giuliani said of the recording.

The tapes of private conversations between Trump and Cohen have shifted to the forefront of a mounting conflict between the president and his former attorney.

The New York Times first reported earlier this month that Cohen had taped a conversation with Trump about the possibility of buying the rights to the story of a former Playboy model who alleged she had an affair with Trump. CNN obtained and aired the audio last week.

The recording is unclear about what then-candidate Trump is saying, but his lawyer, Rudy Giuliani, and a transcript of the recording compiled by Trump’s legal team, maintains that he is saying, “Don’t pay with cash … check.”

CNN also reported that Cohen said he is ready to tell Mueller that then-candidate Trump knew of an infamous 2016 Trump Tower meeting between Trump campaign officials — including his son 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, despite Trump's repeated claims that he did not know about the meeting.

Giuliani also said he believes Mueller’s investigation should be “ending soon,” saying the special counsel has interviewed 32 witnesses that he’s aware of.

“This is exactly what the president has always said it is, whether he meant it or not, this is turning out to be a witch hunt,” Giuliani said.

Trump and his allies have repeatedly tried to discredit Mueller's investigation by labeling it a "witch hunt."