Former Trump campaign aide Sam Nunberg said on Sunday that he believes President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE should interview with 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 as part of the probe into alleged ties between the Trump campaign and Russia's election meddling.

"The president has to do an interview, I would say. I would highly suggest that he does," Nunberg told MSNBC's Alex Witt.

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Nunberg went on to say the president needs to explain the circumstances surrounding the firing of former FBI Director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE in May.

"He has to explain the logic why, when he based the logic on the [Deputy Attorney General Rod] Rosenstein memo, and then the next day he gives an interview to Lester Holt saying it has to do with Russia," he continued.

"But then he has the Russians in the Oval Office. And by the way, who the hell in that White House let that happen? He was so ill-served by his staff it was unbelievable. Therefore I don't think Rosenstein had any choice but to put that special counsel."

Nunberg made headlines last week when he went on a cable news blitz on Monday after he said he would not cooperate with a subpoena issued by Mueller.

The former aide reversed course last week and testified before the grand jury.

Nunberg told Witt that he never was in any personal legal jeopardy.

"As long as you don't lie in the grand jury or interview, that's it. That's it for me. I have no criminal liability to the best of my knowledge and to the best of what they have told me."