Arturo Gamboa was identified as the suspect in the shooting of 39-year-old Arthur Folasa Ah Loo at a 'No Kings Day' protest in Salt Lake City

Arthur Folasa Ah Loo was a former contestant on “Project Runway,” whose designs were beloved by celebrities from “Real Housewives” to “Moana” star Auli’i Cravahlo.

A bystander was fatally shot after security members at the demonstration confronted a man who was running toward the crowd with an AR-15-style rifle, the police said.