A ceremony honoring the slain conservative activist is being held in ArizonaUS politicians and conservative public figures paid tribute to slain activist and podcaster Charlie Kirk at a memorial service in Glendale, Arizona, on Sunday. The speakers praised Kirk's ability to connect with young people and his Christian convictions. Kirk, who co-founded conservative action group Turning Point USA at just 18 years old, was killed by a sniper on September 10 when speaking to students at a college in Utah. Defense Secretary Pete Hegseth described Kirk as a "warrior" who had the "Biblical heart of a soldier." He urged the activist's followers to "live worthy of Charlie Kirk's sacrifice."