“I believe with a high degree of certainty that the suspect in Charlie Kirk’s murder is in custody,” said Donald Trump on Friday afternoon (9/12/25) during an interview with Fox News. “I hope he is punished with the death penalty,” Trump added, referring to the suspect in the murder of Charlie Kirk, who was a supporter of Trump. According to Trump, the suspect was turned in to the police by a close associate. [BREAKING tweet embedded] According to CNN, citing four sources, one person is in custody and being questioned regarding the murder of conservative activist Charlie Kirk. The man has been under interrogation since Friday morning (9/12/25), the sources said.