Authorities in Utah could bring formal charges Tuesday against the man arrested in the fatal shooting of Charlie Kirk on a college campus.

Tyler James Robinson, 22, of Washington, Utah, was arrested on suspicion of aggravated murder and other felony offenses in the Sept. 10 shooting. Prosecutors are drawing up formal charges that could be filed as early as Tuesday, when Robinson will make his first court appearance. Authorities have said the crimes in Kirk's death include aggravated murder, obstruction of justice and felony discharge of a firearm.

Investigators have spoken to Robinson's relatives and carried out a search warrant at his family's home in Washington, about 240 miles (390 kilometers) southwest of Utah Valley University, where the shooting took place.

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