Neighbors and friends in Washington County, Utah, described 22-year-old Tyler Robinson as a polite, “normal” youth as the rural community and investigators sought answers following the fatal shooting of conservative influencer Charlie Kirk at Utah Valley University.

Robinson, who is in custody on suspicion of killing Kirk, was remembered by several residents as a sweet and smart kid who kept largely to himself in recent years. Charging documents expected Tuesday could provide more detail about a motive; Attorney General Derek Brown has said Robinson could face a combination of state and federal charges.

Gov. Spencer Cox, who has spoken publicly about the case, said Sunday that Robinson had adopted a “leftist ideology” despite being raised in a conservative family and community. Cox said investigators were examining Robinson’s online activity and cited what he described as a turn toward darker corners of the internet, including gaming culture and forums that he said could have influenced the suspect. Authorities reported finding ammunition inscribed with anti-fascist messages and video game references.

Robinson has lived most of his life in Washington County, a strongly Republican part of southern Utah, though voter registration records show he is unaffiliated and did not vote in the last two general elections. Neighbors who spoke with reporters said his parents are registered Republicans and that the family has generally been well regarded in town. Several residents organized vigils and left flowers and prayer boxes for both the Kirk and Robinson families.

Robinson was a third-year student in the electrical apprenticeship program at Dixie Technical College in St. George, the Utah Board of Higher Education confirmed. Gov. Cox said Robinson attended Utah State University for less than a semester in 2021 despite winning a four-year merit scholarship. Friends and relatives told investigators the suspect had become more political in recent years, and one family member said Robinson had criticized Kirk during a recent dinner, calling him hateful, Cox said.

The governor and other officials said digital evidence could be central to understanding what led to the shooting at Utah Valley University, which is about a four-hour drive from Robinson’s hometown. The New York Times reported that Robinson messaged in a Discord chat hours after the killing, joking that his “doppelgänger” was trying to get him in trouble. Cox has characterized social media and algorithm-driven platforms as a major factor in recent political violence, remarks that he reiterated while announcing Robinson’s arrest.

Vigil for Charlie Kirk held in southern Utah

Officials have said Robinson was not cooperating with authorities and had not confessed. Cox told reporters investigators interviewed a family member and other acquaintances as part of the probe. A relative told Fox News Digital that Robinson’s roommate, who is transitioning from male to female, “hates conservatives and Christians,” a claim not corroborated by authorities. Cox said the roommate has been cooperating with investigators and had no prior knowledge of the attack.

Residents described a mix of shock and compassion in the days after the killing. Some said they had not seen the change in Robinson that authorities have described and expressed sympathy for his family. Others said they had noticed he had begun spending more time online and less time with friends after taking on full-time work. Community members gathered in Washington, Utah, for a vigil and to pray for both families.

Exterior of the Robinson family home in Washington County, Utah

Local officials have emphasized that the investigation remains active. Cox said investigators found evidence at the scene and in the suspect’s possession that they are analyzing, and he called for a sober look at the role of online spaces in radicalizing individuals. Attorney General Brown indicated that federal authorities could be involved and that charging decisions will reflect evidence developed by state and federal investigators.

The shooting has drawn national attention and prompted debate over political rhetoric, online radicalization and public safety. As authorities continue to build their case, neighbors, acquaintances and local leaders in the suspect’s hometown said they were struggling to reconcile their memories of Robinson with the alleged crime, and many emphasized support for both the victim’s family and the suspect’s relatives during the ongoing legal process.