Prosecutors brought a murder charge Tuesday against the man accused of assassinating Charlie Kirk and outlined evidence, including a text message confession to his partner and a note left beforehand saying he had the opportunity to kill one of the nation’s leading conservative voices “and I’m going to take it.” DNA on the trigger of the rifle that killed Kirk also matched that of Tyler Robinson, Utah County Attorney Jeff Gray said while outlining the evidence and announcing charges that could result in the death penalty if Robinson is convicted. The prosecutor said Robinson, 22, wrote in one text that he spent more than a week planning the attack on Kirk, a prominent force in politics credited with energizing the Republican youth movement and helping Donald Trump win back the White House in 2024. Kirk was gunned down Sept. 10 while speaking with students at Utah Valley University. Prosecutors allege Robinson shot Kirk in the neck with a bolt-action rifle from the roof of a nearby building on the campus in Orem, about 40 miles (64 kilometers) south of Salt Lake City. Robinson appeared briefly Tuesday before a judge by video from jail. He nodded slightly at times but mostly stared straight ahead as the judge read the charges against him and said he would appoint an attorney to represent him. Robinson's family has declined to comment to The Associated Press since his arrest. AP Video: Haven Daley