Overview

• Tyler Robinson, 22, is held without bail on suspicion of aggravated murder, felony firearm discharge causing serious bodily harm, and obstruction of justice, according to a probable cause filing.
• A law enforcement affidavit says a roommate provided messages about a rifle left at a drop point and engraved bullets, leading investigators to recover a Mauser .30-06 wrapped in a towel near the Utah Valley University campus.
• Casings collected at the scene bore inscriptions, including “Hey fascist! catch!”, which investigators have noted in their evidence review.
• Multiple outlets have identified the cooperating roommate as 22-year-old Lance Twiggs and reported that Robinson lived with a transgender partner who is cooperating with the FBI, details not publicly confirmed by authorities.
• Private Discord messages attributed to Robinson and verified in reporting show him mocking the investigation after the shooting, while officials continue to examine motive, including Robinson’s politics and personal relationships.