By JESSE BEDAYN, HANNAH SCHOENBAUM and JOHN SEEWER Associated Press

PROVO, Utah (AP) — Prosecutors are preparing to file a capital murder charge Tuesday against the Utah man who authorities say held a “leftist ideology” and may have been “radicalized” online before he was arrested in the assassination of Charlie Kirk .

Charges against 22-year-old Tyler Robinson are expected to come ahead of the first court hearing since he was accused last week of shooting Kirk, a conservative activist credited with energizing the Republican youth movement and helping Donald Trump win back the White House in 2024.

Investigators have been piecing together evidence, including a rifle and ammunition engraved with anti-fascist and meme culture messaging, found after the shooting Wednesday at

See Full Page