Graham vows to approach Hunter Biden probe with caution: 'I'm not going to be the Republican Christopher Steele'

Sen. Lindsay Graham (R-S.C.) said Sunday that he didn't intend to be “the Republican Christopher Steele” when it came to former Vice President Joe BidenJoe BidenTrump hails Arizona Senate for audit at Phoenix rally, slams governor Republicans focus tax hike opposition on capital gains change Biden on hecklers: 'This is not a Trump rally. Let 'em holler' MORE’s son Hunter Biden, referencing the British former intelligence officer who compiled a dossier of unsubstantiated opposition research against then-candidate Donald Trump.

The Senate Judiciary Committee chairman, one of President TrumpDonald TrumpTrump hails Arizona Senate for audit at Phoenix rally, slams governor Arkansas governor says it's 'disappointing' vaccinations have become 'political' Watch live: Trump attends rally in Phoenix MORE's most vocal allies in the Senate, made the comment on CBS’ “Face the Nation” after host Margaret Brennan asked him about a cryptic tweet from Trump reading “DeFace the Nation will tell @LindseyGrahamSC that he must start up Judiciary and not stop until the job is done. Clean up D.C. now, last chance!”

Graham said that he believed the tweet was in reference to reforming the Foreign Intelligence Surveillance Act warrant process after Justice Department Inspector General Anthony Horowitz’s report on the origins of the FBI probe into Trump’s campaign.

“Here’s what I want to tell the president: I’m not going to be the Republican Christopher Steele,” Graham said. “Rudy GiulianiRudy GiulianiBob Dole: 'I'm a Trumper' but 'I'm sort of Trumped out' Ex-Trump adviser Barrack charged with secretly lobbying for UAE Aides who clashed with Giuliani intentionally gave him wrong time for Trump debate prep: book MORE last night said he’s got the goods on Hunter Biden … I called the attorney general this morning and [Sen.] Richard BurrRichard Mauze BurrBipartisan group says it's still on track after setback on Senate floor Bipartisan group to issue 'promising' statement on infrastructure path forward First responders shouldn't have to tackle tigers MORE [R-N.C.], the chairman of the Intel Committee, and they told me ‘take very cautiously anything coming out of the Ukraine against anybody.’”

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Graham said that he continued to think “questions about the conflict of interest regarding Hunter Biden in the Ukraine need to be asked” but that “if Rudy Giuliani has any information coming out of the Ukraine, he needs to turn it over to the Department of Justice, because it could be Russian propaganda.”

Any such claims, Graham said, “need to be looked at by the intelligence services who have expertise I don’t.”

Graham suggested Attorney General William BarrBill BarrTrump: Washington/Lincoln ticket would have had hard time beating me before pandemic Trump says Barr 'never' told him he thought he'd lose election Speeches aren't enough: Biden must ditch bipartisanship, endorse ending filibuster MORE had created a process by which Giuliani could take Ukrainian findings directly to the Justice Department, saying Barr had told him that "they had created a process that Rudy could give information and they would see if it's verified."

Conspiracy theories that Ukraine was involved in large-scale election interference similar to that of Russia’s in the 2016 election were part of the investigations Trump attempted to persuade Ukrainian President Volodymyr Zelensky to undertake. At an impeachment hearing, former National Security Council figure Fiona Hill said such claims are in Russian propaganda.