Sen. Richard Burr Richard Mauze BurrHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Bipartisan representatives demand answers on expired surveillance programs Rep. Mark Walker says he's been contacted about Liberty University vacancy MORE (R-N.C.), the chairman of the Senate Intelligence Committee, which is probing possible collusion between the Trump campaign and Russia, says his panel is not ready to wrap up its investigation.

“The worst thing we can do is to prematurely try to end” the probe, Burr said in an interview with The Associated Press published Friday.

“At some point somebody’s going to go back and do a review. And I’d love not to be the one that chaired the committee when somebody says, ‘well, boy, you missed this.’ So we’ve tried to be pretty thorough in how we’ve done it,” he said.

Burr refused to give a timeline for the investigation’s end or a final report, saying there are multiple people he still wants to interview, some for the first time and some for follow-up meetings.

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The GOP chairman had predicted months ago that the Intelligence Committee would begin to wrap up its investigation by August, when the Senate leaves for a monthlong recess. He had previously estimated that it would be done by December 2017.

Still, Burr has declined to commit to holding any more public hearings in the committee's probe, telling the AP that the panel still plans to interview at least a handful of people behind closed doors.

“If the intent is to have a show trial, I’m not a participant,” Burr said.

Burr has worked with Sen. Mark Warner Mark Robert WarnerFBI director casts doubt on concerns over mail-in voting fraud Democrats call for declassifying election threats after briefing by Trump officials It's time to upgrade benefits MORE (Va.), the panel's top Democrat, to avoid the public acrimony that plagued the House Intelligence Committee's Russia probe, which ended earlier this year over the objections of Democrats.

The House investigation ended in controversy after a report, written by the Republican majority, stated there was no collusion between President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE's campaign and Russia. Democrats cried foul, arguing there was still investigating left to do.

The Senate probe has continued while the sprawling independent special counsel probe led by 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 has pursued indictments or plea agreements against several former Trump campaign officials and a number of Russian nationals and groups.

Trump and his personal lawyers including Rudy Giuliani have publicly attacked the Mueller probe and called for it to immediately wrap up. Giuliani has called for Mueller to finish the probe and submit his final report by early September.

CNN poll shows 66% say Mueller should complete his investigation before the upcoming elections. DOJ has policy to refrain from investigatory activity in 60 day period before election. DOJ should require Mueller to submit his report before September 7. — Rudy Giuliani (@RudyGiuliani) August 15, 2018

While the Senate investigation has largely stayed above the partisan infighting that plagued the House panel, Burr said he is not blind to the fact that the committee’s final findings may split members along party lines.

“I am sure there will be people at the end of this who feel that we came to a conclusion that they vehemently disagree with,” Burr said. “I know that from a committee’s integrity standpoint we’ve got to prove what we find. And if you can’t prove it then we can’t make the claim."