UPDATE: A person detained by authorities in connection to the shooting death of Charlie Kirk has been released.
"The subject in custody has been released after an interrogation by law enforcement," FBI director Kash Patel wrote on X (formerly Twitter) the evening of Sept. 10. "Our investigation continues and we will continue to release information in interest of transparency."
The shooter remains at large.
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New information surrounding the fatal shooting of Charlie Kirk is being uncovered.
Hours after the conservative activist was shot dead during a speaking event at Utah Valley University at age 31, the FBI confirmed that a person has been detained.
"The subject for the horrific shooting today that took the life of Charlie Kirk is now in custody," FBI director Kash Patel tweeted Sept. 10. "Thank you to the local and state authorities in Utah for your partnership with @fbi."
He added that the agency will provide updates on the case "when able."
Utah Governor Spencer Cox additionally confirmed at a Sept. 10 press conference that a "person of interest" is in custody, which a senior FBI official told NBC News is the same person Patel was speaking of. The official said they are confident it's the shooter.
Kirk, the co-founder of Turning Point USA, was about 20 minutes into a presentation at the Orem, Utah, school on Sept. 10 when the suspect fired a gunshot from the Losee Center, a building about 200 yards away, university spokesperson Ellen Treanor told CNN.