Andrew Hall, who served as an attorney for President Nixon’s top adviser in the Watergate scandal, said in a recent interview 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 will "undoubtedly be impeached.”

In a recent interview with The Independent, Hall, who had served as counsel for John Ehrlichman, Nixon’s former senior adviser for domestic affairs who was later convicted of conspiracy, obstruction of justice and perjury, said he is watching history repeat itself with Trump as more of his associates become caught up in 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 Russian election interference.

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“The coverup is always worse than the crime,” the attorney told the British publication. “And this one is very shady. We have a sitting president who will undoubtedly be impeached.”

Hall’s remarks arrive as more bombshell revelations emerge surrounding the release of veteran journalist Bob Woodward’s book about the Trump administration, including the news of an alleged mock interview former Trump attorney John Dowd arranged with the president on Jan. 27 to help Trump prepare for a possible sit-down with Mueller.

“The idea to prepare a witness in and of itself is a good idea, but the fact that he’s incapable of being truthful throughout the entire exam is pretty scary,” Hall said.

“It raises a whole lot of issues,” he continued. “If a lawyer knows his client is not telling the truth, he can’t sit by and let that happen, he can’t participate and he must disassociate himself with that activity … otherwise, they lose their license for facilitating perjury.”

Woodward has said in recent interviews promoting his book that Dowd concluded that the president was “disabled” and unable to “tell the truth” following the practice interview and also allegedly called the president a liar.

The president has repeatedly lashed out at Woodward over the book in the past several days and has called him a "liar.” He also suggested Woodward was a Democratic operative and labeled his new book, titled "Fear: Trump in the White House," a work of "fiction."

The White House called Woodward's work "reckless” on Monday and did not rule out the possibility of a lawsuit.

Hall, however, contends that some of the revelations in Woodward’s new book could lead to the president’s impeachment, which the Watergate attorney predicts will occur in Trump’s first term.

“The November elections have an enormous impact on how this plays out,” he said. “If the Democrats take the Senate, or enough Republicans switch over, there will be a successful impeachment.”