Sen. Lindsey Graham Lindsey Olin GrahamSenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (R-S.C.), the chairman of the Senate Judiciary Committee, said Sunday that he doesn't care if 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 told former White House counsel Don McGahn to fire 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.

"I don’t care what they talked about. He didn’t do anything. The point is the president did not impede Mueller from doing his investigation," Graham said Sunday on CBS's "Face the Nation" when host Margaret Brennan noted that, according to the special counsel's report, Trump in 2017 ordered McGahn to fire Mueller.

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"I don’t care what happened between him and Don McGahn," Graham continued. "Here’s what I care about: Was Mueller allowed to do his job? And the answer is yes."

A redacted version of Mueller's report, released earlier this month, detailed several episodes in which Trump potentially obstructed justice during Mueller's investigation into Russia's election interference.

The report states that McGahn refused when Trump ordered him to fire Mueller and that McGahn decided "he would resign rather than trigger what he regarded as a potential Saturday Night Massacre."

Trump last week denied ordering McGahn to fire Mueller, saying that if he wanted to fire the special counsel, he would have done so himself.

"As has been incorrectly reported by the Fake News Media, I never told then White House Counsel Don McGahn to fire Robert Mueller, even though I had the legal right to do so," Trump tweeted. "If I wanted to fire Mueller, I didn’t need McGahn to do it, I could have done it myself."