Attorney Rudy Giuliani said Friday that President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE would testify in 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 special counsel investigation "tomorrow" if he believed the probe was actually about finding truth.

In an interview with CNN's "New Day," the Trump lawyer and former New York City mayor likened Mueller's investigation, which reached its one-year anniversary this week, to a perjury trap aimed at setting up the president for conviction.

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“The president would testify tomorrow if it was about the truth. The truth is he had nothing to do with Russia," Giuliani said Friday.

"You've got people that are going to ask questions like 'what did you say to him, what did you say to him,' " he said of Mueller's team.

“The President would testify tomorrow if it was about the truth. The truth is he had nothing to do with Russia ... Martha Stewart never would have gone to jail if she hadn’t gone and testified,” says Trump lawyer Rudy Giuliani pic.twitter.com/OUIM9D6NQl — New Day (@NewDay) May 18, 2018

"You've got [former FBI Director James] Comey coming forward who will lie, and they believe Comey rather than — look, Martha Stewart never would have gone to jail if she hadn’t gone and testified," he continued, referring to the celebrity chef who served five months in prison on charges related to insider trading.

Giuliani added in the interview that a list of Mueller's questions obtained by The New York Times intended for Trump had been shortened by Mueller's team to just a few topics.

"Wednesday night we received a communication from them," Giuliani said. "I can't go into detail, but narrowing the subjects for questioning down to about two."

Giuliani added that part of the reason for the shortening of topics stemmed from the investigation into Trump's attorney Michael Cohen, which had been taken over by the U.S. Attorney's Office for the Southern District of New York.

"I mean no secret that the whole thing with Michael Cohen's out, because that's in the southern district of New York," he said. "It's my belief that he turned all of it over."

Giuliani's comments come just a day after the former mayor said that Trump's team would be the "laughingstock" of lawyers if they allowed Trump to meet with Mueller's team for an interview.

"You can be sure that we’re only going to do that if we feel there’s a way to shorten this thing,” Giuliani said Thursday morning.

Trump and his lawyers have frequently cast the Mueller investigation as a "witch hunt," and have dismissed the likelihood of Trump sitting down to interview with the special counsel despite Trump's own statements saying that he would like to speak with Mueller's team.

Earlier this week, Giuliani argued that even if Trump were to be found responsible for criminal activity, Mueller's team has said it would not be able to indict him.

“They can’t indict. At least they acknowledged that to us, after some battling. They acknowledged that to us,” Giuliani said this week.