Police and FBI agents actively searching for Charlie Kirk's killer in Utah say they recovered a "high-powered" bolt-action rifle believed to have been used by the suspect. While the shooter's identity has not been announced, the FBI has released images of a person of interest .

Kirk, 31, was a conservative activist and a close political ally of President Donald Trump . He was speaking on an outside courtyard to a crowd of about 3,000 attendees on the campus of Utah Valley University in Orem, Utah, when he was shot and killed by an unknown assailant on Sept. 10.

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