Man in custody after Arthur Folasa Ah Loo, 39, was apparently shot by member of event’s peacekeeping team
Archived version: https://archive.is/20250616000337/https://www.theguardian.com/us-news/2025/jun/15/no-kings-protest-salt-lake-city-utah-death-shooting
Disclaimer: The article linked is from a single source with a single perspective. Make sure to cross-check information against multiple sources to get a comprehensive view on the situation.
Presumably they were hired in some capacity by the organizers to look for threats exactly like this. And no, I believe they are not policemen.