Salt Lake City police are investigating the roles of two self-described "peacekeepers" following a fatal shooting at Saturday's protest that left one person dead and another injured, raising questions about unauthorized security at public demonstrations.

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.

SALT LAKE CITY (AP) — The man shot and killed while participating in the “No Kings” protest in Salt Lake City was a successful fashion designer and former “Project Runway” contestant who devoted his life to celebrating artists from the Pacific Islands.