Turning Point founder, an anti-abortion Christian and Second Amendment advocate, Kirk was known for his loyalty to Donald Trump and his ‘America First’ agenda

Charlie Kirk's death sent ripples of shock through America, but why are international leaders talking about his death and life as well?

In the past five years alone, public figures across the ideological spectrum have been targeted. America has seen eras of political violence before.

The conservative activist had recently spoken at conferences in Asia. His message also resonated in Europe, and especially Britain, which has seen a rise in right-wing ideology.

From the moment an assassin shot Charlie Kirk, my social-media feed began filling up with people decrying the attack. The sentiment of horror—both at the murder itself and at what it portended for American political culture—was overwhelming and cross-ideological.

The attorney noted the immense pressure on prosecutors due to the public nature of the shooting and involvement of high-profile figures, such as President Donald Trump.

Mr. Kirk founded Turning Point USA, a political organization designed to rally young conservatives. He was answering questions about transgender politics and mass shootings from students at Utah Valley University on Wednesday when he was shot and killed. Authorities have not yet identified a suspect and said the investigation was ongoing.

Flags were lowered on Sept. 11 to honor the nearly 3,000 people who died on 9/11. But flags will remain that way for a few days.