Rep. Trey Gowdy Harold (Trey) Watson GowdySunday shows preview: Election integrity dominates as Nov. 3 nears Tim Scott invokes Breonna Taylor, George Floyd in Trump convention speech Sunday shows preview: Republicans gear up for national convention, USPS debate continues in Washington MORE (R-S.C.) said Sunday that the documents President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE ordered declassified related to 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 investigation are unlikely to change anyone's views on the probe.

Gowdy said on CBS's "Face the Nation" that "99.9 percent" of the documents Trump ordered declassified are unrelated to the president.

"I generally am on the side of transparency, with the caveat do nothing that jeopardizes national security or impacts our relationship with our allies," said Gowdy, the chairman of the House Oversight and Government Reform Committee.

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"I've seen all of it, and with the exception of one document, I don’t think anybody’s mind is going to be changed when they read this stuff," he added.

The White House last Monday said the president had ordered the Justice Department and Office of the Director of National Intelligence to declassify and release a series of documents related to the Russia probe “at the request of a number of committees of Congress and for reasons of transparency."

Trump on Friday delayed the release of the documents after "key allies" raised concerns.

In a series of tweets, the president said he recently met with Justice Department officials about his request and that they agreed to release the documents, while noting that they expressed concerns that doing so could have a "perceived negative impact" on Mueller's investigation into Russian interference during the 2016 election.

The documents include a highly secret application for a surveillance warrant on former Trump campaign aide Carter Page.

Trump has also asked the Justice Department to release "all text messages" related to the Russia probe, including those from 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 and a handful of current and former officials whom conservatives have accused of exhibiting political bias against Trump.

Gowdy on Sunday called it "terrible," "heartbreaking" and "sad" that Trump has often publicly feuded with his own Justice Department, particularly Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsGOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status MORE.

Gowdy said he understands Trump's frustration that Sessions recused himself from overseeing the Russia investigation, but added that the Justice Department is a branch that depends on objectivity.

"I would prefer that they keep their differences private," Gowdy said.