UPDATE - 9/10/25 at 8:18 p.m. ET: The person of interest taken into custody in connection to the deadly shooting of Charlie Kirk has been released. "The subject in custody has been released after an interrogation by law enforcement," FBI director Kash Patel wrote via X on Wednesday, September 10. "Our investigation continues and we will continue to release information in interest of transparency." Original story below: A "person of interest" associated with the fatal shooting of right-wing political activist Charlie Kirk is now in custody.