It was another act of political violence in a nation too accustomed to assassinations.

Charlie Kirk, a 31-year-old right-wing political activist and staunch Trump supporter, was shot and killed while he addressed a crowd at Utah Valley University.

Today, Geoff Kabaservice from the centre-right think tank the Niskanen Center on what unfolded, and whether political figures are safe in America.

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Geoff Kabaservice, vice president for political studies at the Niskanen Center in Washington, DC