MSNBC’s “Morning Joe” co-host, Joe Scarborough, insulted Republicans and President Donald Trump’s defenders on Thursday as behaving like “monkeys throwing poo against the wall” — for criticizing special counsel Robert Mueller’s probe of Russian interference in the 2016 U.S. presidential election.

FBI agent Peter Strzok, a former Mueller team member, exchanged anti-Trump text messages with FBI lawyer Lisa Page during the 2016 presidential election. The president’s outraged supporters latched on to reports about Strzok’s bias and questioned the integrity of Mueller’s team members — several of whom donated to Democrats over the years.

And Scarborough did not take kindly to Republicans’ criticisms.

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“It seems to me that they’re just throwing whatever they can, like monkeys throwing poo against the wall. Last week, it was ‘Textgate’ scandal,” Scarborough said. “So they move on to something else. What exactly is the scandal? They’re making things up every week.”

New York Times journalist and MSNBC contributor Michael Schmidt echoed Scarborough’s sentiments, accusing Republicans and Trump advocates of “trying to find anything they can to raise questions about the FBI’s credibility” using the Strzok texts.

“What they’re doing is, they have all these text messages and it allows them to throw a lot of stuff at the wall,” Schmidt said.

“It has really given the Republicans a talking point to attack the FBI in a way that they didn’t have before,” Schmidt said. “And it’s really become the rallying cry, and I think has encouraged them and enthused them that maybe there is a way that they can undercut Mueller by continuing to attack this.”

Related: FBI Text Messages Give Ammunition to Trump, GOP

Trump insisted Tuesday that he doesn’t plan on firing Mueller, despite the Left’s frenzied and oft-repeated worrying in Congress and in the media.

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“For the one-thousandth time, we have no intentions of firing Bob Mueller,” White House press secretary Sarah Sanders said Thursday on Fox News. “We’re continuing to work closely and cooperating with him and we look forward to seeing this hoax wrap up very soon.”

PoliZette writer Kathryn Blackhurst can be reached at [email protected]. Follow her on Twitter here.