Story highlights Rudy Giuliani said he regularly has conversations with former FBI agents

Those agents described a "boiling point" within the bureau over Hillary Clinton

Washington (CNN) Former New York City Mayor Rudy Giuliani now denies that he was told by FBI agents that the bureau was reviewing newly discovered emails potentially related to Hillary Clinton's use of a private server before the review was publicly revealed.

Earlier, he had suggested that he was told by FBI agents about the review before it became public.

Giuliani, a top Donald Trump surrogate and adviser, told CNN's Wolf Blitzer on "The Situation Room " Friday that the FBI's announcement "came as a complete surprise, except to the extent that maybe it wasn't as much of a surprise."

"I got it all from former FBI agents. Tremendous anger within the FBI about the way, number one, Jim Comey's conclusion (to not recommend criminal charges in July) and, number two, the way they believed they were being obstructed by what they regard as a pretty corrupt Obama Justice Department," Giuliani said. "Cutting off a grand jury investigation, cutting off subpoenas."

But earlier Friday, Giuliani, a former federal prosecutor, said he had "heard about" a forthcoming FBI announcement before it became public.

Read More