Former FBI Director James Comey has “become very partisan” while “pretending to be objective” in his treatment of and attitude toward President Donald Trump, former federal prosecutor Andrew McCarthy warned Monday night on Fox News’ “The Ingraham Angle.”

Comey, whom Trump fired in May 2017, testified before congressional committees this past Friday for more than five hours in a closed-door session. The transcript was released afterward.

He faced a slew of questions concerning the origins of special counsel Robert Mueller’s probe into allegations of collusion between Trump campaign officials and Russia, as well as into the investigation into Hillary Clinton’s use of a private email server while she was serving as secretary of state.

Comey also urged Americans on Sunday night during a New York City event to “use every breath we have to make sure the lies stop on January 20, 2021” — by denying Trump a second term in office.

“I understand the Democrats have important debates now over who their candidate should be,” Comey told MSNBC’s Nicolle Wallace, declaring, “But they have to win. They have to win.”

McCarthy told Fox News host Laura Ingraham there’s no doubt that Comey has become inappropriately partisan.

And “I’m sorry to see that,” McCarthy added. “I don’t actually mind partisanship. I mind it when people are pretending to be objective, or at least presenting themselves as objective, and just calling it down the middle … There’s a lot of talk about the necessity of the American people holding Trump to account, and it seems to me that the FBI had a golden opportunity to hold Mrs. Clinton to account. They decided not to do that,” McCarthy added.

“I don’t see how any objective person looking at this, even allowing that Mrs. Clinton has the constitutional presumption of innocence just like everybody else does — I don’t know how anyone could look at the two sides of this equation and say that the quality of justice was the same,” McCarthy said. “If we’re going to talk about accountability, I think we should talk about accountability.”

During his testimony last week, Comey used the phrase “I don’t remember” 73 times, “I don’t know” 161 times, and “I don’t recall” eight times, according to Fox News’ analysis of the transcript.

“Republicans are still struggling to find the answers about the origins of this Russian collusion probe and what’s happened with the biased investigators who advanced it as an insurance policy should Donald Trump win the election, back of course in 2016,” Ingraham said.

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But now that Democrats reclaimed the House in the November midterm elections, the incoming Democratic committee leaders don’t plan on continuing the investigation into the FBI’s and Department of Justice’s (DOJ) conduct during and prior to the Trump-Russia and Clinton investigations.

Rep. Jerrold Nadler (D-N.Y.), who will take the reins of the House Permanent Select Committee on Intelligence from current Chairman Rep. Devin Nunes (R-Calif.) in January, told reporters on Friday he will end the committee’s probe into the DOJ’s and FBI’s conduct.

Related: New York Democrat Says Trump Committed Impeachable Offenses

“Yes, because it is a waste of time to start with,” Nadler replied when asked about whether he would end it. “The entire purpose of this investigation is to be a diversion of the real investigation, which is Mueller. There is no evidence of bias at the FBI and this other nonsense they are talking about.”

Yet the GOP-helmed congressional committees discovered plenty of troubling facts about the conduct of key players that led to the Trump-Russia probe.

Clinton’s 2016 presidential campaign and the Democratic National Committee (DNC) used the opposition research firm Fusion GPS to peddle negative allegations against Trump from sources linked to Russian interests.

Fusion GPS used former British spy Christopher Steele to compile information in what became known as the Steele dossier, which the FBI used to obtain FISA (Foreign Intelligence Surveillance Act) warrants to spy on former Trump campaign foreign-policy adviser Carter Page.

But Comey admitted during the hearing on Friday that the dossier was unverified when submitted to the FISA court as evidence.

Related: What Jim Comey Told House Republicans About His White House Dealings

Veteran investigative journalist John Solomon, an editorial contributor to The Hill, told Ingraham on Monday night that “the most important recollection” Comey had “after his book was that the Steele document, Steele dossier, which is the genesis of the majority of the support in the FISA warrant, was not corroborated, was not verified when it was submitted as evidence.”

“The FISA rules are clear: You don’t submit unverified evidence to the judges. So his admission of that validates what several congressional committees have been looking at for several months, including Devin Nunes and [Sen.] Chuck Grassley (R-Iowa) and people like that … It’s an extraordinary admission and I think the IG [the DOJ Inspector General] now has a pretty important statement to put in his report next year when he looks at the FISA abuses,” Solomon said.

Byron York, the Washington Examiner’s chief political correspondent and a Fox News contributor, told Ingraham that “so many of the things we learned … including who paid for the dossier, the origins of the dossier, whether the dossier was ever verified — all of those things we learned were the results of the House of Representatives … asking and pressuring the Justice Department to tell them these things.”

“And by the way, the Justice Department stonewalled and slow-walked all that it could,” York added.

Former U.S. Attorney General Michael Mukasey called the transcript from Comey’s testimony “extraordinary.”

“It seems to me pretty unusual that although Jim Comey described that dossier as unverified, the submission that he made and signed is marked a verified submission to the FISA court. A verified, unverified submission? What’s that about?” Mukasey said.

Check out the discussion in the video below: