9/11 Truthers Heckle Giuliani In Colorado

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A group of 9/11 conspiracy theorists heckled Republican presidential front-runner Rudy Giuliani as supporters booed and chanted "Rudy" at a campaign stop in Loveland Saturday.

Jason Charles, a member of wearechangecolorado.org, accused the former New York City mayor of having prior knowledge of the attack on the World Trade Center and covering up evidence that would have shown a conspiracy.

"He covered up criminal evidence that was on the scene," he said.