Former Trump White House official Peter Navarro turned himself in to a federal prison in Miami Tuesday to begin serving his sentence for contempt of Congress.
Navarro, 74, spoke with reporters before turning himself in to the Federal Correctional Institution, Miami, denouncing what he called the "partisan weaponization of our justice system."
"When I walk in that prison today, the justice system such as it is will have done a crippling blow to the Constitutional separation of powers and executive privilege," Navarro said. "I am the first senior White House advisor in the history of our republic that has ever been charged with this alleged crime."
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The Supreme Court on Monday refused to halt a prison sentence for Navarro as he appeals his conviction.
Navarro was given a four-month sentence after being found guilty of misdemeanor charges for refusing to cooperate with a congressional investigation into the Jan. 6, 2021, attack on the U.S. Capitol. He had asked to stay free while he appealed his conviction.
Navarro has maintained that he couldnโt cooperate with the committee because former President Donald Trump had invoked executive privilege. Lower courts have rejected that argument, finding he couldn't prove Trump had actually invoked it.
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The Monday order signed by Supreme Court Chief Justice John Roberts, who handles emergency applications from Washington, D.C., said he has "no basis to disagree" with the appeals court ruling, though he said the finding doesn't affect the eventual outcome of Navarro's appeal.
His attorney Stanley Woodward declined to comment.
Navarro, who served as a White House trade adviser, was the second Trump aide convicted of misdemeanor contempt of Congress charges. Former White House adviser Steve Bannon previously received a four-month sentence but was allowed to stay free pending appeal by U.S. District Judge Carl Nichols, who was appointed by Trump.
Navarro was found guilty of defying a subpoena for documents and a deposition from the House Jan. 6 committee. U.S. District Judge Amit Mehta, who was appointed by President Barack Obama, refused his push to stave off his prison sentence and the federal appeals court in Washington agreed.
The Supreme Court is also separately preparing to hear arguments on whether Trump himself has presidential immunity from charges alleging he interfered in the 2020 election.