Editor's note: This page summarizes developments in the investigation of Charlie Kirk's death for Tuesday, Sept. 16. For the latest on the Charlie Kirk shooting, visit USA TODAY's coverage for Wednesday, Sept. 17 .

Utah officials on Tuesday formally charged the man accused of killing conservative activist Charlie Kirk with capital murder and other crimes ahead of his first court appearance.

Tyler Robinson , 22, was charged with aggravated murder , felony discharge of a firearm, obstruction of justice, witness tampering, and the commission of a violent offense in the presence of a child, Utah County Attorney Jeff Gray said at a news conference. Gray said he would seek the death penalty, calling Kirk's slaying "an American tragedy."

"I do not take this decision lightly, and it is a

See Full Page