Article continues below advertisementCharlie Kirk's suspected killer has been arrested, President Donald Trump announced early Friday morning, September 12.The POTUS revealed the person police believe assassinated Kirk was in custody after a nearly 48-hour frantic manhunt for the shooter. "I think, with a high degree of certainty, we have him," Trump said while appearing at Fox's Manhattan Studio for a live Fox & Friends interview, revealing he found out only minutes before the taping began.The suspect was later identified as a 22-year-old Utah resident named Tyler Robinson.