Sen. Mike Rounds Marion (Mike) Michael RoundsSenate GOP sees early Supreme Court vote as political booster shot Chamber of Commerce endorses McSally for reelection Senate GOP eyes early exit MORE (R-S.D.) lashed out on Wednesday over the FBI raid on President Trump's personal lawyer, calling it an example of investigators trying to "irritate" the president.

The FBI and New York prosecutors, following a referral from 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, raided Michael Cohen on Monday, seizing documents and communications in a move that infuriated Trump.

"This is almost like the dying throes where an organization that has been charged with trying to take down a president," Rounds said on the Hugh Hewitt Radio Show.

"And in many cases, folks on the other side expected that that’s what would happen, and they’re not getting any place, because there has been no collusion established in this," he continued.

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The search, according to multiple reports, was not directly related to Mueller's Russia investigation, but sought documents related to payments made to two women — adult-film actress Stormy Daniels and former Playboy model Karen McDougal — who have alleged having affairs with Trump years ago.

Trump raged over the raid on Monday, calling it a "disgrace" and "an attack on our country." The raid and the president's comments have reignited speculation that he could move to fire Mueller, whose investigation he has called a "witch hunt."

Rounds said that the raid amounted to an effort by investigators to "try to find another incident in which they can now further investigate," and urged Trump not to "take the bait."

"The president needs to handle his way through this, lay low, and don’t get in the middle of a tit for tat with these guys on what he’s doing on that," Rounds told Hewitt.