Carl Bernstein: Giuliani's goal is to 'throw bombs' into the Mueller probe

Veteran journalist Carl Bernstein on Friday accused Trump lawyer Rudy Giuliani of trying to "throw bombs" into special counsel Robert MuellerRobert (Bob) Swan MuellerFox News legal analyst says Trump call with Ukraine leader could be 'more serious' than what Mueller 'dragged up' Lewandowski says Mueller report was 'very clear' in proving 'there was no obstruction,' despite having 'never' read it Fox's Cavuto roasts Trump over criticism of network MORE's investigation into possible collusion between the Trump campaign and Russia.

"Rudy Giuliani is capable of being so reckless as we have seen throughout the campaign and as we are seeing now, that it is very difficult to parse what he is doing and saying, except that he is trying to throw bombs into the Mueller investigation," Bernstein said on CNN's "Anderson Cooper 360."

Bernstein's comments came after Giuliani, one of the newest additions to President TrumpDonald John TrumpWarren defends, Buttigieg attacks in debate that shrank the field Five takeaways from the Democratic debate in Ohio Democrats debate in Ohio: Who came out on top? MORE's legal team, sought earlier Friday to clarify comments he made to Fox News this week in which he appeared at times to contradict the president.

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Among the claims that Giuliani made was that Trump fired former FBI Director James ComeyJames Brien ComeyComey says he has a 'fantasy' about deleting his Twitter account after end of Trump term We need answers to questions mainstream media won't ask about Democrats Trump 'constantly' discusses using polygraphs to stem leaks: report MORE last year because Comey would not publicly say that the president was not a target of the Russia investigation.

In a statement on Friday, Giuliani appeared to back away from that statement, saying that the president's decision to dismiss the FBI director fell well within his powers under Article II of the Constitution.

Trump fired Comey in May 2017 for what he initially said was the FBI director's handling of the investigation into Hillary ClintonHillary Diane Rodham ClintonWarren defends, Buttigieg attacks in debate that shrank the field Democrats fear Ohio slipping further away in 2020 Poll: Warren leads Biden in Maine by 12 points MORE's use of a private email server during her tenure as secretary of State. But Trump later acknowledged that he took the FBI's Russia investigation into consideration when he made the decision to dismiss Comey.

Comey's ouster prompted Deputy Attorney General Rod RosensteinRod RosensteinTrump attacks Sessions: A 'total disaster' and 'an embarrassment to the great state of Alabama' Mueller rejoins DC law firm Lewandowski says Mueller report was 'very clear' in proving 'there was no obstruction,' despite having 'never' read it MORE, the most senior Justice Department official overseeing the Russia probe, to appoint Mueller as special counsel.

Trump has denied that there was any coordination between his campaign and Moscow, and has called Mueller's investigation a "witch hunt" and a "hoax."