Sen. Lindsey Graham Lindsey Olin GrahamSenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-S.C.) called Thursday for former FBI Director James Comey to to testify again on the FBI investigation into Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE's handling of classified emails.

"This doesn't add up, and I smell a rat here," Graham told Fox News.

The comments come after Graham and Senate Judiciary Committee Chairman Chuck Grassley Charles (Chuck) Ernest GrassleySenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies Biden says Ginsburg successor should be picked by candidate who wins on Nov. 3 MORE (R-Iowa) said late last month that newly revealed transcripts showed that Comey exonerated Clinton of criminal charges before the investigation was complete.

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Graham and Grassley said transcripts from a federal watchdog agency showed Comey decided to draft a statement clearing Clinton of criminal charges related to the mishandling of classified information before his agency had a chance to interview her top deputies.

The senators suggested the evidence may provide support for President Trump's decision to fire Comey earlier this year.

Trump initially said the decision to fire Comey was because of the director's handling of the Clinton case.

Graham said he wants to find out whether Comey had "predetermined the result" of the case involving Clinton's emails.

"He needs to come back to committee," Graham told Fox News.