Charlie Kirk's alleged killer is "not co-operating" with authorities and has not confessed to carrying out the shooting, Utah's governor Spencer Cox has said.
Suspect Tyler Robinson, 22, was taken into custody some 33 hours after Kirk, a 31-year-old right-wing activist, was shot dead in Orem on Wednesday.
Cox, a Republican, told several Sunday morning shows that investigators were still trying to establish a motive but people around Mr Robinson were co-operating.
Kirk was speaking at Utah Valley University at an open-air event held by Turning Point USA - the organisation he co-founded - when he was hit in the neck by a single bullet.
The event was part of the American Comeback Tour, which was a speaking engagement that took him to several college campuses throughout the US.
Cox previously told the Wall Street Journal that Mr Robinson, a Utah native, was "deeply indoctrinated with leftist ideology".
When questioned on it during CNN's State of the Union programme on Sunday, he said the information was offered by the suspect's friends and family.
The governor said among those co-operating with authorities was Mr Robinson's roommate, who is also his partner.
He said the partner was currently "transitioning from male to female", but when asked by CNN, said that authorities do not yet know if that is relevant to the investigation.
Cox added that the partner did not have any knowledge about the alleged shooting, had been "incredibly co-operative" and was working with...
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