Rudy Giuliani discusses his time working with James Comey, says 'he was like a choir boy who turned into a devil'

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Former FBI Director James Comey and President Donald Trump's outside attorney, Rudy Giuliani, have been at each other's throats in recent weeks.

That level of animosity between the two is relatively new, as they once had great admiration for each other.

Giuliani was Comey's boss in the late 1980s.

Giuliani told Business Insider in an interview that he knows Comey "very well" and that he hired him.

"He was like a choir boy who turned into a devil," Giuliani said.

James Comey and Rudy Giuliani aren't bit fans of each other.

But it wasn't always like that.See the rest of the story at Business InsiderNOW WATCH: Why the North Korea summit mattered even if it was 'mostly a photo op'See Also:After Giuliani comment, poll shows most Trump supporters say the president should be prosecuted if he shot James ComeyMichael Cohen's lawyers are reportedly abandoning him, and the odds of his flipping have now gone 'through the roof'Rudy Giuliani's son reportedly can't enter the West Wing without an escort now, even though Trump apparently ordered his promotionSEE ALSO: A federal judge just gave Michael Cohen a tight new deadline, and it could lead to the worst-case scenario for him and Trump

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