Sen. John Cornyn John CornynCalls grow for Biden to expand election map in final sprint Bipartisan praise pours in after Ginsburg's death Chamber of Commerce endorses McSally for reelection MORE (R-Texas) said on Monday that he supports holding a hearing on former FBI Deputy Director Andrew McCabe Andrew George McCabeGraham: Comey to testify about FBI's Russia probe, Mueller declined invitation Barr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' GOP votes to authorize subpoenas, depositions in Obama-era probe MORE's firing and wants to see the Justice Department's watchdog report that led to the ouster.

"I think a hearing would be appropriate so we could see what the Office of Inspector General and the Office of Professional Responsibility recommended," Cornyn, the No. 2 GOP senator, told reporters.

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 fired McCabe on Friday, just days before McCabe was set to retire, saying the FBI's Office of Professional Responsibility and Office of Inspector General determined that he had leaked to the media and "lacked candor — including under oath — on multiple occasions."

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McCabe has long been a target of 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's, who, along with key Republicans on Capitol Hill, praised his firing.

Cornyn, who noted that the Justice Department and FBI watchdogs had been appointed by former President Obama, added that a hearing looking into the firing could be done under Congress's "oversight responsibilities."

"I think the FBI had some serious credibility issues. I think Mr. McCabe might have contributed to those. ... I'm happy to have a hearing," he said.

Cornyn is a member of both the Senate Judiciary and Intelligence committees, which both have jurisdiction over the FBI.

Sen. Lindsey Graham Lindsey Olin GrahamMcConnell locks down key GOP votes in Supreme Court fight Will Republicans' rank hypocrisy hinder their rush to replace Ginsburg? Momentum growing among Republicans for Supreme Court vote before Election Day MORE (R-S.C.), who is also a member of the Judiciary Committee, said he would also welcome a hearing on McCabe's firing.

“I think we owe it to the average American to have a hearing in the Judiciary Committee where Attorney General Sessions comes forward with whatever documentation he has about the firing, and give Mr. McCabe the chance to defend himself,” Graham said on CNN’s “State of the Union."