House Intelligence Committee Chairman Devin Nunes Devin Gerald NunesOvernight Defense: Stopgap spending measure awaits Senate vote | Trump nominates former Nunes aide for intelligence community watchdog | Trump extends ban on racial discrimination training to contractors, military Trump nominates former Nunes aide to serve as intel community inspector general Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election MORE (R-Calif.) is talking with other Republicans about writing a report next year alleging “corruption” at the FBI, according to The Washington Post.

Citing people familiar with the plan, the Post reports the Nunes project would focus on information about the conduct of FBI officials in the course of the investigation into Russia’s meddling in last year’s election.

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 and his allies in Congress have stepped up their attacks on the FBI as a former leader of the bureau, Robert Mueller, continues his special counsel investigation of last year’s presidential campaign.

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Mueller, in December, brought charges against Trump’s former national security adviser Michael Flynn, who is now cooperating with investigators.

Trump’s latest attacks on the FBI came on the morning of Christmas Eve, when he ripped into Deputy Director Andrew McCabe over reports that he is to retire soon.

McCabe has been a top target of Trump’s because he worked under former FBI Director James Comey James Brien ComeySteele Dossier sub-source was subject of FBI counterintelligence probe Judge will not dismiss McCabe's case against DOJ Democrats fear Russia interference could spoil bid to retake Senate MORE, whom Trump fired in May. Trump, along with Nunes and other Capitol Hill Republicans such as Senate Judiciary Committee Chairman Chuck Grassley (R-Iowa), suggest the FBI was not aggressive enough in its investigation of former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE’s use of a private email server.

McCabe’s wife, a candidate for Virginia’s state Senate at the time, accepted campaign donations from a political action committee tied to Hillary and Bill Clinton William (Bill) Jefferson ClintonAnxious Democrats amp up pressure for vote on COVID-19 aid Barr's Russia investigator has put some focus on Clinton Foundation: report Epstein podcast host says he affiliated with elites from 'both sides of the aisle' MORE. This has led some Republicans, led by Trump, to ask if he is biased.

Democrats have noted that Comey essentially reopened his investigation of Clinton a little more than a week before Election Day 2016, before closing it again days before the election. Clinton believes this effectively cost her the election.

Nunes has also come under fire for partisanship from Democrats.

Rep. Adam Schiff Adam Bennett SchiffSchiff claims DHS is blocking whistleblower's access to records before testimony GOP lawmakers distance themselves from Trump comments on transfer of power Rubio on peaceful transfer of power: 'We will have a legitimate & fair election' MORE (D-Calif.), the ranking member on Intelligence, accused him of doing the bidding of the White House with his repeated criticism of the FBI.

“And here I think, again, we are seeing some on our committee, including the chair, doing the work of the White House, doing the work of Steve Bannon Stephen (Steve) Kevin BannonDemocrats' cowardice must end: It's time to teach the GOP a lesson Juan Williams: Swamp creature at the White House Engineers say privately funded border wall is poorly constructed and set to fail: report MORE,” Schiff said in an interview on MSNBC on Thursday.

Bannon is Trump's former chief strategist.