PHOENIX — Dream City Church, where conservative activist Charlie Kirk worshiped and frequently hosted high-profile political rallies, is mourning his death.

Police have arrested a man who had been on the run after a deadly attack at a Scottsdale townhome earlier this week.

Matthew Dieringer, the accused killer of 67-year-old Frank Quaranta, made his first court appearance on Sunday in what the state prosecutor described as a “very violent and horrific murder.” ...