Lindsey Graham: Trump firing Mueller would 'probably' be impeachable offense

Lindsey Graham: Trump firing Mueller would 'probably' be impeachable offense
© Greg Nash

Sen. Lindsey GrahamLindsey Olin GrahamKim, Moon toss ball to Trump in ‘last, best chance’ for Korean peace GOP senator: Kavanaugh accuser 'moving the goalposts' Collins: Kavanaugh accuser should 'reconsider,' testify on Monday MORE (R-S.C.) said Tuesday that if President TrumpDonald John TrumpTrump rallies in Nevada amid Supreme Court flurry: 'We're gonna get Brett' Trump: 'Good news' that Obama is campaigning again Trump boosts Heller, hammers 'Wacky Jacky' opponent in Nevada MORE fired special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE, it would "probably" be an impeachable offense.

Graham, a House prosecutor in the impeachment trial of former President Clinton, was asked if firing Mueller would be an impeachable offense during an interview on Hugh Hewitt's radio program.

"Probably so, if he did it without cause, yeah," Graham responded. 

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"I think what the president will have done is stopped an investigation in whether or not his campaign colluded with the Russians, what effect the Russians had on the 2016 campaign. I can’t see it being anything other than a corrupt purpose," Graham explained. 

Graham said that while he has seen no evidence of collusion between Trump associates and Russians, "to stop investigation without cause, I think, would be a constitutional crisis." 

Graham's comments came after Trump attorney John Dowd called last week for Deputy Attorney General Rod RosensteinRod Jay RosensteinVote Democrat in midterms to rein in Trump, preserve justice Trump lawyer: NBC interview with Comey firing comments was edited Trump attack on Sessions may point to his departure MORE to "bring an end" to Mueller's probe.

Dowd referenced the "courageous" action by Attorney General Jeff SessionsJefferson (Jeff) Beauregard SessionsHillicon Valley: Trump cyber strategy lets US go on offense | AT&T urges court to let Time Warner merger stand | Conservatives want wife of DOJ official to testify | Facebook, nonprofits team up to fight fake news | DC camera hacker pleads guilty Vote Democrat in midterms to rein in Trump, preserve justice Sessions limits ability of judges to dismiss deportation cases MORE to fire FBI Deputy Director Andrew McCabeAndrew George McCabeCBS in talks for miniseries based on Comey book EXCLUSIVE: Trump says exposing ‘corrupt’ FBI probe could be ‘crowning achievement’ of presidency Former FBI Deputy Director Andrew McCabe lands book deal MORE over questions of bias. 

Trump, Graham said, is not without reason for being upset with the Department of Justice over its surveillance of members of his 2016 campaign. But he said Mueller should be left alone.

"He would be wrong, in my view, to try to stop this investigation without cause on the Mueller side," he said. 

Earlier this week, Graham pledged to make sure Mueller's investigation continues without any political interference, and warned that Trump firing the special counsel would herald "the beginning of the end of his presidency." 

Trump reportedly ordered for the firing of Mueller earlier on in Mueller's investigation, but withdrew after top White House lawyers threatened to resign over the matter. 

Graham’s remarks were markedly different from those of Sen. Angus KingAngus Stanley KingRestoring our national parks would be a bipartisan win for Congress Restore our parks Renaming Senate office building after McCain sparks GOP backlash MORE (Vt.), an independent who caucuses with Democrats.

King said that it would be a “crisis” if Trump fired Mueller, but noted that he does not see it as an impeachable offense.

“High crimes and misdemeanors is the standard for impeachment, and I have a high standard for impeachment,” King told Hewitt. “I don’t think impeachment should be used to change a government you don’t like.”

“I wouldn’t say it rises to the level of an impeachable offense, but I certainly think it’s going to create a real problem,” he added.

Max Greenwood contributed 

Updated at 12:14 p.m.