Two House Democrats have sent a letter to bar associations in Washington, D.C., and Virginia asking them to open an ethics investigation into Attorney General William Barr William Pelham BarrHarris fundraises off Trump calling her 'nasty' Immigrant rights groups file legal challenge to Trump asylum policy House Dems in direct talks with Mueller about his testimony: reports MORE.

Democratic Reps. Ted Lieu Ted W. LieuDems push back on White House suggesting they're 'not smart enough' for Trump's tax returns Civil rights attorney confronts Candace Owens on Fox News Lieu fires back at GOP lawmaker who claims he was 'owned' by Candace Owens: 'She said what she said' MORE (Calif.) and Kathleen Rice Kathleen Maura RiceDems go after Barr's head Booker takes early lead in 2020 endorsements New York Rep. Maloney endorses Gillibrand for president MORE (N.Y.) wrote to the associations on Thursday, a day after Barr's contentious hearing on Capitol Hill during which he defended his handling of special counsel Robert Mueller Robert (Bob) Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE's report.

"By deceiving Congress and the American people, who vested their trust in both the Office of the Attorney General and the Department of Justice at large, Attorney General Barr must be subject to a professional review for the sake of the legal profession and the public," the lawmakers wrote.

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Lieu and Rice, who are both former prosecutors, invoked rules that prohibit obstruction of another party’s access to evidence, making a false statement to a tribunal and engaging in dishonesty or misrepresentation that reflect adversely on a lawyer’s fitness to practice law.

The Democrats referenced in their letter to the D.C. and Virginia bar associations the attorney general's handling of the Mueller report. Barr has come under fire from Democrats in recent days after it was revealed that Mueller had written him expressing concerns that the attorney general's four-page letter to Congress in late March summarizing the probe's principal findings lacked vital context.

At best AG Barr misled the public. At worst he perjured himself before Congress. We shouldn’t accept that from any attorney, let alone our top law enforcement official.@tedlieu and I have asked the Virginia & DC Bar associations to open an investigation into his conduct. pic.twitter.com/X7RQMJnM6b — Kathleen Rice (@RepKathleenRice) May 3, 2019

In the letter dated March 27, three days after Barr sent a summary of the report to Congress, Mueller accused the attorney general of creating "public confusion about critical aspects of the results."

Lawmakers grilled Barr over the letter during his appearance before the Senate Judiciary Committee on Wednesday. The attorney general defended his handling of the report, including his decision to not pursue an obstruction-of-justice charge against the president.

The Hill has reached out to the Justice Department and both bar associations for comment.