Republicans on the House Intelligence Committee appear close to closing the committee's yearlong investigation into Russian interference.

Republicans say the panel has thoroughly examined Moscow’s efforts to meddle in the 2016 election and they are ready to conclude the probe. But alarmed Democratic colleagues say ending the investigation anytime soon would be premature.

“I think we are pretty much near the end of it,” Rep. Pete King Peter (Pete) KingTrump holds private funeral service for brother Robert Trump at White House Cheney clashes with Trump Coronavirus Report: The Hill's Steve Clemons interviews Rep. Sean Patrick Maloney MORE (R-N.Y.) told The Hill on Monday.

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“I don’t know exactly when it is going to end, but we’ve definitely interviewed just about every possible witness, every plausible witness,” he added.

Democrats, on the other hand, are renewing their warning calls about a concerted effort by the GOP to cut the investigation's lifespan short in an effort to shield President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE from the congressional probes, which are separate from 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 investigation.

“We're being shut off,” Rep. Mike Quigley Michael (Mike) Bruce QuigleyDemocrats introduce legislation to revise FDA requirements for LGBT blood donors Tucker Carlson sparks condemnation with comments about deadly Kenosha shooting Hillicon Valley: Three arrested in Twitter hack | Trump pushes to break up TikTok | House approves 0M for election security MORE (D-Ill.) said during a Monday appearance on “CNN Newsroom.”

“If I had to predict, in the next month they will shut down the House and Senate investigations and I would imagine they would cheer on the White House attempt to shut down Mueller,” he added.

Quigley also accused the Republican majority on the committee of being complicit in following the marching orders of the Trump administration by failing to compel witnesses to answer questions in the face of a “gag order" from the White House.

Democrats loudly protested last week that Republicans are failing to follow up on threats to hold former White House strategist Stephen Bannon in contempt of Congress. Republicans on the committee appeared relatively quiet on the matter, a contrast to their initial fury at Bannon, who refused to answer some committee questions while under subpoena during an interview in February.

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The clashing viewpoints on the probe are the latest sign of deteriorating bipartisan relations between the committee’s Democrats and Republicans, who have engaged in a bruising battle over the direction of the investigation.

Tensions reached a boiling point last month when Democrats called on House Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) to remove Intelligence Committee Chairman Devin Nunes Devin Gerald NunesSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Sunday shows preview: With less than two months to go, race for the White House heats up Sunday shows preview: Republicans gear up for national convention, USPS debate continues in Washington MORE (R-Calif.) over his controversial decision to release a classified memo authored by his staff that outlined allegations of surveillance abuse.

While they eventually released their own point-by-point rebuttal last week, after Republicans initially voted to not release the Democratic memo, Democrats accused Nunes of using his memo to undermine Mueller by suggesting that federal probe was tainted from the start as it was based off information that was funded by Trump’s opponents.

Republicans have also been accused of leaking to the press.

The New York Times reported last week that the leaders of the Senate Intelligence Committee suspect Nunes is behind the leaked text messages to Fox News that aimed to discredit the top Democrat on the panel, Sen. Mark Warner Mark Robert WarnerIntelligence chief says Congress will get some in-person election security briefings Overnight Defense: Trump hosts Israel, UAE, Bahrain for historic signing l Air Force reveals it secretly built and flew new fighter jet l Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' House approves bill to secure internet-connected federal devices against cyber threats MORE (D-Va.). Warner communicated with lobbyist Adam Waldman, whose firm has reported ties to a Russian oligarch, in an attempt to make contact with Christopher Steele, the author of the controversial Trump dossier.

The leaders of the Senate committee, which has led is own independent investigation into Russian interference, are largely seen as the perfect opposite of the House panel: well-functioning, tight-lipped and bipartisan.

Senate Intelligence Chairman Richard Burr Richard Mauze BurrRep. Mark Walker says he's been contacted about Liberty University vacancy Overnight Defense: Trump rejects major cut to military health care | Senate report says Trump campaign's Russia contacts posed 'grave' threat Senate report describes closer ties between 2016 Trump campaign, Russia MORE (R-N.C.) and other Republicans came to the defense of Warner at the time, who said he had informed them of the text messages. But Burr disputed the idea that he complained to Ryan that Nunes was behind the leak.

Partisan infighting has splintered committee relations to such a degree that the purpose of the Russia investigation is being undermined, a senior Republican leading the Russia probe said Friday.

“I went on television and called for an end to House Russia investigation, not because I don’t think that there is still more information that we can gather from witnesses, but because the investigation has just completely gone off the rails politically,” Rep. Tom Rooney Thomas (Tom) Joseph RooneyHouse Dem calls on lawmakers to 'insulate' election process following Mueller report Hill-HarrisX poll: 76 percent oppose Trump pardoning former campaign aides Dems fear Trump is looking at presidential pardons MORE (R-Fla.) said during an interview with The New York Times’s “The Daily” podcast.

Rooney, who announced he will not seek reelection last month, has repeatedly described the partisan atmosphere as toxic.

“The well has been poisoned so bad down there that it will be very, very difficult to get out of that,” he said in the interview.

The Florida lawmaker made the case that it is pointless to continue the probe if the committee cannot put aside their differences and write a bipartisan report detailing their investigation’s findings on Moscow’s meddling, but he said it has already become clear that is not going to happen.

“We’ve already been told there’s not going to be a bipartisan report — there’s going to be a majority report and a minority report. But it is not going to be bipartisan. And if it is not going to be bipartisan, it might as well just end,” Rooney said in the podcast interview.

Republicans are still fuming over what they viewed as Democrats’ unfair treatment of White House communications director Hope Hicks Hope Charlotte HicksSenate intel leaders said Trump associates may have presented misleading testimony during Russia probe: report Cuomo turned down Trump invitation to participate in April press briefing: report Trump shakes up White House communications team MORE during her appearance before the committee last week, which they point to as an example of how partisanship has impeded their investigative efforts.

Democrats, King said, asked a “cheap question” about whether the White House communications director had ever lied for her boss. King alleged that Democrats then quickly turned around and leaked to the press Hicks's admission that she had told "white lies" on Trump's behalf.

“To me that is sort of what we are up against,” King said.

Despite the talk of ending the probe, the committee could continue to interview other witnesses.

Former Trump campaign manager Corey Lewandowski Corey R. LewandowskiHow Trump can win reelection: Focus on Democrats, not himself Trump Jr. distances from Bannon group, says he attended 'single' event Bannon, three others charged with defrauding donors of 'We Build The Wall' campaign MORE is expected to appear before the committee for a second interview on Thursday, a committee source familiar with the matter confirmed.

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Bloomberg News first reported his expected appearance.

Rep. Adam Schiff Adam Bennett SchiffTop Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies MORE (D-Calif.), the ranking member on the committee, publicly sounded the alarm in December that Republicans planned to wrap up the high-profile probe before the start of the new year. The committee, however, continued to interview witnesses months after Schiff made such claims.

When the investigation does ultimately wrap up, it will likely end with pointed fingers.

A spokesperson for Rep. Mike Conaway Kenneth (Mike) Michael ConawayLive coverage: Democrats, Republicans seek to win PR battle in final House impeachment hearing Laughter erupts at hearing after Democrat fires back: Trump 'has 5 Pinocchios on a daily basis' Live coverage: Schiff closes with speech highlighting claims of Trump's corruption MORE (R-Texas), the top Republican leading the investigation, did not immediately respond to a request for comment about the timeline.