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 took aim at Fox News anchor Martha MacCallum on Tuesday evening over her "softball questions" for Rep. Eric Swalwell Eric Michael SwalwellSwalwell calls for creation of presidential crimes commission to investigate Trump when he leaves office 'This already exists': Democrats seize on potential Trump executive order on preexisting conditions Swalwell: Barr has taken Michael Cohen's job as Trump's fixer MORE (D-Calif.), a member of the House Judiciary Committee and former 2020 candidate for president.

In a pair of tweets, the president lashed out at both MacCallum and Swalwell, who told Fox about the Judiciary panel's upcoming hearing with 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, the former special counsel in charge of the FBI's investigation into the Trump campaign and Russia's election interference. Mueller is set to testify before the committee this week.

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"Just watched Rep. Eric Swalwell be asked endless softball questions by @marthamaccallum on @FoxNews about the phony Witch Hunt. He was just forced out of the Democrat Presidential Primary because he polled at ZERO," Trump tweeted.

"Fox sure ain’t what it used to be. Too bad!" he added. "Oh well, we still have the great @seanhannity who I hear has a really strong show tonight. 9:00 P.M."

Just watched Rep. Eric Swalwell be asked endless softball questions by @marthamaccallum on @FoxNews about the phony Witch Hunt. He was just forced out of the Democrat Presidential Primary because he polled at ZERO. Fox sure ain’t what it used to be. Too bad! — Donald J. Trump (@realDonaldTrump) July 23, 2019

Oh well, we still have the great @seanhannity who I hear has a really strong show tonight. 9:00 P.M. — Donald J. Trump (@realDonaldTrump) July 23, 2019

Trump was heavily critical of the Mueller investigation when it was ongoing, and he has aimed critical tweets at the usually Trump-friendly Fox News network in recent months as well.

"Never thought I’d say this but I think [Fox News reporters John Roberts] and [Gillian Turner] have even less understanding of the Wall negotiations than the folks at FAKE NEWS CNN & NBC!" he tweeted in January.

"@FoxNews is changing fast, but they forgot the people who got them there!" he added during another barrage earlier this month.