Democrats and progressives “obviously think” President Donald Trump is “the devil” and are trying to “eliminate civil liberties” to impeach him, Harvard Law School Professor Emeritus Alan Dershowitz said Saturday on Fox News’ “Fox & Friends.”

“The way they go after our rights is first to go after political enemies, establish precedence on the basis of political enemies, and then that precedent lies around like a loaded gun and can be used about anything,” Dershowitz said.

“It’s always a mistake to expand the criminal law on the grounds for impeachment against your political enemies,” he added, “because it’s going to come back to bite you in the rear end.”

Republican members of the House Permanent Select Committee on Intelligence released their redacted 253-page report Friday, summarizing the committee’s findings during its year-long investigation into allegations of collusion between the Trump campaign and Russia. Although the Republicans found “poor judgment” and “ill-considered actions” on the part of the Trump campaign, they found “no evidence of collusion.”

Trump took to Twitter on Friday to tout the report and slam special counsel Robert Mueller’s “witch hunt,” writing, “House Intelligence Committee rules that there was NO COLLUSION between the Trump Campaign and Russia. As I have been saying all along, it is all a big Hoax by the Democrats based on payments and lies. There should never have been a Special Counsel appointed. Witch Hunt!”

Dershowitz agreed with Trump’s “witch hunt” claims as he rebuked liberals for celebrating any event that could take them closer to impeaching a president they loathed from the beginning.

Dershowitz then compared how liberals have treated Trump with the movie and play, “A Man for all Seasons,” which recounted the final years of Sir Thomas More, the English cleric who refused to support King Henry the VIII’s quest to annul his marriage to Catherine of Aragon in order to marry Anne Boleyn.

“Sir Thomas More is asked, ‘Would you give the devil the right of the law?’ And he says, ‘Yes, I would.’ And the opponent says, ‘No, no, you can’t give the devil the right of the law.’ And then Sir Thomas More says, ‘If you knock down the all the laws to get the devil, the next thing that will happen is the devil will use that to come after you,'” Dershowitz said.

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“Now Democrats and left-wingers obviously think President Trump is the devil, and they’re prepared to eliminate civil liberties,” Dershowitz warned. “The American Civil Liberties Union is praising a raid on a lawyer’s office and praising the fact that the FBI gets to read potentially lawyer-client privileged information.”

Related: Comey Is ‘a Man Without Courage,’ Dershowitz Says

The FBI conducted raids on the home, office, and hotel room of Trump’s personal lawyer, Michael Cohen, earlier in April, in a move that stemmed from Mueller’s probe into Russian collusion and election interference.

As a result, Cohen is now under investigation for potential campaign finance law violations and a $130,000 payment to porn star Stormy Daniels, who claims she was silenced during the 2016 presidential campaign after an alleged affair with Trump more than 10 years ago.

“Well, first of all, there are a lot of civil libertarians in the ACLU that don’t care about civil liberties. All they care about is left-wing, hard-Left politics,” Dershowitz said. “They use civil liberties as an excuse and as a justification.”

“So, you know, everybody is turning everything around now, and there is so much hypocrisy and the ultimate victim is both truth and civil liberties,” Dershowitz continued, noting that each American must “commit yourself to civil liberties without regard to which side is being attacked.”

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