Gov. Spencer Cox said the suspect had been “radicalized,” and noted he had a romantic partner who is transitioning from male to female who is cooperating fully with investigators.
Before he was arrested on suspicion of carrying out the assassination, 22-year-old Tyler Robinson sent friends messages showing that he was closely following news about the killing.
F.B.I. leaders touted the immense federal deployment assigned to find the assassin. But their big break came with a single tip — from the suspect’s own family.
Tyler Robinson, the man accused of shooting Charlie Kirk, was a stellar student in high school, raised in a Republican home in Southwest Utah and training to be an electrician.
The grainy images show a man wearing a baseball cap, dark sunglasses and a black long-sleeve shirt with an image on it that appears to include, in part, a picture of the American flag.