The former ethics chief to President George W. Bush said Tuesday that he would like the Trump administration to not obstruct justice for just one week.

Richard Painter said Tuesday that President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE “weighing in” on the first statement about Donald Trump Jr.’s meeting with a Russia lawyer points to obstruction of justice.

"I would like to have one week from this White House where they don't engage in a new act of obstruction of justice,” Painter said on MSNBC’s "All In" with Chris Hayes.

Painter said Trump Jr.’s use of a false statement drafted by his father will likely lead to a compromising ethical situation if a criminal investigation is taking place into the meeting with a Russian lawyer.

“Once the son says something in a public statement he’d be very likely to say something to the special prosecutor, and lying to the special prosecutor is a crime. If he lies under oath it becomes perjury,” Painter said. “This is a common strategy for obstructing justice.”

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Painter also went after Trump in a series of tweets earlier Tuesday.

“Knowingly drafting a false statement for a person who is a witness in a criminal investigation is itself a crime. Obstruction of justice,” Painter tweeted.

“What kind of a man drafts a false statement for his own son about a matter under criminal investigation? A man who can pardon his son,” he continued over a series of tweets.

Painter also took aim at Trump Jr.’s lawyers, saying, “Lawyers who knowingly participate in drafting false statements for witnesses in criminal investigations should be disbarred and prosecuted.”

Knowingly drafting a false statement for a person who is a witness in a criminal investigation is itself a crime. Obstruction of justice — Richard W. Painter (@RWPUSA) August 1, 2017

Lawyers who knowingly participate in drafting false statements for witnesses in criminal investigations should be disbarred and prosecuted. — Richard W. Painter (@RWPUSA) August 1, 2017

What kind of a man drafts a false statement for his own son about a matter under criminal investigation? A man who can pardon his son. — Richard W. Painter (@RWPUSA) August 1, 2017

The statement referenced by Painter is the first of several contradictory statements made by Trump Jr. in light of reports that he met with a Moscow lawyer ahead of the 2016 presidential election to gain compromising information of then-Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE.

More revelations about the meeting have unfolded in following reports, which led Trump Jr. to change his statements on who attended the meeting and the purpose of the meeting. It was reported earlier Tuesday that Trump helped draft the first, inaccurate statement by Trump Jr.

Press secretary Sarah Huckabee Sanders confirmed Tuesday a report by The Washington Post that said Trump helped write the first draft of the statement, contradicting an earlier comment from Trump’s lawyer, Jay Sekulow, who denied the report.

“He certainly didn’t dictate. But he weighed in, offered suggestions like any father would do,” Sanders said.