Giuliani: Basis for Mueller probe was not legitimate

Giuliani: Basis for Mueller probe was not legitimate
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Former New York City Mayor Rudy Giuliani on Sunday said the basis for special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE's investigation is not legitimate. 

"I'm not saying Mueller is illegitimate, I'm saying the basis on which he was appointed was illegitimate," he said on CNN's "State of the Union."

Giuliani, now a member of President TrumpDonald John TrumpTrump says he doesn't want to use 'adversary' to describe Russia Comey urges Americans to vote for Democrats in midterms Roby wins Alabama GOP runoff, overcoming blowback from Trump criticism MORE's legal team, said the Mueller probe was illegitimate because of the use of an informant who had discussions with Trump campaign aides in 2016.

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"We're more convinced, as we see it, that this is a rigged investigation," he said. "Now we have this whole new 'spygate' thing thrown on top of already legitimate questions." 

Trump and his allies have repeatedly described the informant as a spy, sometimes saying it was someone embedded in the Trump campaign. News reports indicate the informant was an American professor in England who was not embedded within Trump's campaign. 

The use of the informant happened under the Obama Justice Department and before Mueller's appointment.

Former Obama administration officials have said it was not unusual for the FBI to use informants in counterintelligence investigations.