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.), one of 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’s staunchest allies in the Senate, said congressional Democrats should “have the courage of your conviction” if they support impeaching Trump, according to CNN.

"I thought Mueller would be the final word on this," Graham, the chairman of the Senate Judiciary Committee, told CNN, referring to the release of 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 redacted findings on Thursday.

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"He is for me. If you want to keep doing this, be my guest," Graham continued. "You really think he needs to be impeached, have the courage of your conviction just don't talk about it, do it."

"I'm all good, I'm done with the Mueller report," he added. "We will have [Attorney General William] Barr come in and tell us about what he found. I made sure that Mueller was able to do his job without interference. The Mueller report is over for me. Done."

Democrats have been split on whether the findings of Mueller’s investigation suggest Trump should be impeached. Sen. Elizabeth Warren Elizabeth WarrenDimon: Wealth tax 'almost impossible to do' CNN's Don Lemon: 'Blow up the entire system' remark taken out of context Democrats shoot down talk of expanding Supreme Court MORE (D-Mass.) last week became the first Democratic presidential candidate to call for Trump’s impeachment and defended her call in a CNN town hall Monday evening.

“I took an oath to uphold the Constitution of the United States, and so did everyone else in the Senate and the House,” Warren said Monday. “And I believe that every person in the Senate and the House ought to vote.”

Mueller’s report said investigators did not reach a conclusion on whether Trump obstructed justice, although the team ultimately concluded it could not establish criminal conspiracy between Trump’s campaign and Moscow. The special counsel gave Congress leeway to continue investigating Trump for obstruction of justice.

Sen. Joni Ernst Joni Kay ErnstThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Liberal super PAC launches ads targeting vulnerable GOP senators over SCOTUS fight Romney backs pre-election Supreme Court vote, paving way for McConnell, Trump MORE (R-Iowa), who also sits on the Senate Judiciary Committee, told CNN that the Republican-controlled Senate would likely prioritize confirming judges rather than following up on Mueller’s findings. Regarding the prospect of Mueller testifying before the Senate, Ernst said "I don't know that that's necessary, we have the report so we can go from there," according to CNN.

Updated April 23 at 8:49 a.m.