Partisan divisions over the federal investigation into Russia’s interference in the 2016 presidential election deepened Wednesday as new developments rippled across Capitol Hill.

Senate Judiciary Committee Chairman Chuck Grassley Charles (Chuck) Ernest GrassleyCollins says she will vote 'no' on Supreme Court nominee before election The Hill's Morning Report - Sponsored by Facebook - Trump, GOP allies prepare for SCOTUS nomination this week Gardner signals support for taking up Supreme Court nominee this year MORE (R-Iowa) started the day with the release of more than 2,000 pages of transcripts of interviews with Donald Trump Jr. Don John Trump'Tiger King' star Joe Exotic requests pardon from Trump: 'Be my hero please' Zaid Jilani discusses Trump's move to cancel racial sensitivity training at federal agencies Trump International Hotel in Vancouver closes permanently MORE and other participants in a controversial 2016 Trump Tower meeting with a Russian lawyer — a move that Democrats said signals an effort to prematurely end the committee’s investigation.

The Senate Intelligence Committee said it agrees with the intelligence community’s assessment (ICA) in 2016 that Russian President Vladimir Putin ordered an interference campaign in the U.S. election to help President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE — breaking from its counterpart in the House.

And in the House, three members of the Freedom Caucus sent a letter to Trump asking him to intervene in their increasingly acrimonious battle with the Department of Justice over access to documents related to Mueller’s investigation.

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The three disputes came on the eve of the anniversary of the launch of 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 into Russian interference — a probe that has roiled Capitol Hill, angered Trump and increasingly pitted lawmakers against one other.

The Senate Judiciary Committee’s investigation into Russia’s election meddling has long been stymied by partisan infighting between Grassley and ranking member Dianne Feinstein Dianne Emiel FeinsteinBiden leads Trump by 12 points among Catholic voters: poll Names to watch as Trump picks Ginsburg replacement on Supreme Court McConnell says Trump nominee to replace Ginsburg will get Senate vote MORE (D-Calif.).

While Grassley said the Wednesday release of the transcripts was intended “to allow the public to know what we know,” Senate Minority Leader Charles Schumer Chuck SchumerSenate Democrats introduce legislation to probe politicization of pandemic response Schumer interrupted during live briefing by heckler: 'Stop lying to the people' Jacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee MORE (D-N.Y.) denounced it as a “perfunctory” move aimed at ending “the committee’s on-again, off-again halting investigation.”

Democrats on the Judiciary Committee insisted that the “full story” of the Trump Tower meeting remains unknown to them and that the probe has been hindered by “the lack of bipartisan agreement on what to investigate.”

In the House, meanwhile, Reps. Mark Meadows Mark Randall MeadowsHouse moves toward spending vote after bipartisan talks House Democrats mull delay on spending bill vote Southwest Airlines, unions call for six-month extension of government aid MORE (R-N.C.), Jim Jordan James (Jim) Daniel JordanSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election House passes resolution condemning anti-Asian discrimination relating to coronavirus Republicans call for Judiciary hearing into unrest in cities run by Democrats MORE (R-Ohio) and Ron DeSantis Ron DeSantisTrump may meet with potential Supreme Court pick in Miami Florida governor unveils legislation targeting protesters in 'violent or disorderly' demonstrations Names to watch as Trump picks Ginsburg replacement on Supreme Court MORE (R-Fla.) wrote in a letter to Trump that the Justice Department “has obstructed Congressional oversight by refusing to supply necessary and relevant documents” and said Trump should order the department to provide the documents they are seeking.

Among the requests is access to a full, unredacted memo from Deputy Attorney General Rod Rosenstein Rod RosensteinDOJ kept investigators from completing probe of Trump ties to Russia: report Five takeaways from final Senate Intel Russia report FBI officials hid copies of Russia probe documents fearing Trump interference: book MORE spelling out the scope of Mueller’s mandate — a highly sensitive document that could reveal exactly what the special counsel is after in his investigation.

Still, the most consequential release of the day was likely the joint statement from Senate Intelligence Committee 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 Vice Chairman 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.), whose Russia investigation has remained on bipartisan footing. In the statement, Burr said the committee sees “no reason to dispute the conclusions” reached by the intelligence community under former President Obama.

“After a thorough review, our staff concluded that the ICA conclusions were accurate and on point,” Warner said. “The Russian effort was extensive, sophisticated, and ordered by President Putin himself for the purpose of helping Donald Trump and hurting Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE.”

The assessment, released in January 2017, has been a flashpoint in the partisan rancor surrounding the Russian influence campaign.

The intelligence community unanimously concluded that Russia sought to interfere in the 2016 election for three reasons: to undermine U.S. democracy, to damage the Democratic nominee, Clinton, and to help Trump win the White House. Putin developed “a clear preference” for Trump, according to the assessment.

But Trump has disputed Putin’s support for his candidacy, and Republicans on the House Intelligence Committee in their final report said that the “tradecraft” behind that conclusion was faulty.

The statement from Burr and Warner — which came at the conclusion of a closed hearing with the senior Obama officials who signed off on the original document — signals that the final report on their investigation into Russian meddling will likely differ from the one produced by their colleagues in the House.

The lower chamber largely agreed with the intelligence community’s assessment, taking issue only with the conclusion about Putin’s preference, and Burr on Wednesday disputed the notion that the Senate panel’s conclusions were “dramatically different.”

“Today, the only thing that we have acknowledged is that the ICA was accurate,” he told reporters. “When we come out with our final report, we’ll probably cover any places that we have questions or discrepancies with what the ICA might have stated.”

But, he continued, “That’s very different than what the House did.”

“The House basically said, we disagree with the ICA because we found nothing that contributed to supporting Donald Trump. The question is, is working against Hillary Clinton the same thing as working for Donald Trump?”

Burr argued that it would have been impossible for Putin to intervene in support of Trump before Trump had jumped into the presidential race, noting, “When you get to where the [Democratic National Committee] was hacked, he wasn’t even in the top three.”

House Republicans ended their investigation into Russia’s election meddling last month, over the objections of Democrats who said that they had soft-pedaled the inquiry. The panel ultimately produced two separate sets of conclusions, including the Republican assertion that analysts did not meet the proper standards to judge Putin’s preference.

Most committee Republicans were careful to say that they hadn’t assessed whether the intelligence community’s underlying claim — that Putin developed a “clear preference” for Trump — was correct. What the panel took issue with was the evidence they used to reach that conclusion.

“I don’t know what Vladimir Putin’s opinion was,” Rep. Will Hurd William Ballard HurdHillicon Valley: Oracle confirms deal with TikTok to be 'trusted technology provider' | QAnon spreads across globe, shadowing COVID-19 | VA hit by data breach impacting 46,000 veterans House approves bill to secure internet-connected federal devices against cyber threats House Democrats' campaign arm reserves .6M in ads in competitive districts MORE (R-Texas), a former CIA officer, told Fox News at the time. “The intelligence that was used to make that assessment was substandard and it went through a very atypical process.”

House Intelligence Republicans are expected to issue a second report centered solely on the intelligence community assessment, although it is unclear how much of that document will be made public, given the classified nature of the underlying information.

The conclusion that Putin sought to help Trump win the White House has captivated Washington for more than a year and has fueled endless speculation about whether Moscow was coordinating its broader influence efforts with the Trump campaign.

Meanwhile, Mueller is pressing forward with his investigation, which has already yielded guilty pleas from several individuals in Trump’s orbit — including former national security adviser Michael Flynn — and indictments of 13 Russians accused in the elaborate disinformation plot.

Trump has raged against the investigation, repeatedly saying that there was “no collusion” and casting Mueller’s inquiry as a “witch hunt.” Former New York City Mayor Rudy Giuliani (R), the newest member of Trump’s legal team, suggested this week that the president and his allies would look to use the anniversary of Mueller’s probe to step up their attacks on the investigation.

“We are going to try as best we can to put the message out there that it has been a year, there has been no evidence presented of collusion or obstruction, and it is about time for them to end the investigation,” Giuliani told Bloomberg.

Trump allies on Capitol Hill have echoed that assessment. House 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.) told Fox News this week that there was never any “credible evidence or intelligence” to open the original counterintelligence probe into the Trump campaign.

The Senate Intelligence Committee will be closely watched as it moves into the final months of its investigation.

Burr told reporters this month that he expects his panel to wrap up its probe in August, but investigators have not yet finished interviewing witnesses.

The committee will not address the question of collusion until it issues its final report.