President Trump criticized Rep. Adam Schiff Adam Bennett SchiffHouse Democrats file legislation to ensure Mueller report released Hannity echoes Bill Maher, invites Schiff to appear on show Curtain rises on 3 days of Cohen drama MORE (Calif.) in a tweet on Monday, referring to the senior Democrat on the House Intelligence Committee as "sleazy" and "biased."

"Sleazy Adam Schiff, the totally biased Congressman looking into 'Russia,' spends all of his time on television pushing the Dem loss excuse!" Trump tweeted Monday.

Sleazy Adam Schiff, the totally biased Congressman looking into "Russia," spends all of his time on television pushing the Dem loss excuse! — Donald J. Trump (@realDonaldTrump) July 24, 2017

Schiff on Sunday said that Trump is concerned that the special counsel investigation into Russian meddling in the 2016 presidential election could include his finances.

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“The president is clearly worried” about accusations that Russia laundered money through the Trump Organization, Schiff told CBS’s “Face the Nation.”

“What concerns me the most is anything that could be held over the president’s head that could influence U.S. policy,” Schiff added.

Trump in an interview last week said that it would be "a violation" for special counsel Robert Mueller to investigate his or his family’s finances beyond looking for potential ties between Trump’s campaign staff members and the Kremlin.

Trump has in the past decried the Russia probe as a "witch hunt" and as a Democratic excuse for losing the presidential race.