Utah officials are investigating the role that so-called peacekeepers played in the killing of celebrated fashion designer Arthur Folasa Ah Loo on Saturday at the “No Kings” demonstration in Salt Lake City,

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.

Suspect Arturo Gamboa did not fire any shots at the Salt Lake "No Kings" protest, but could face a murder charge for his alleged involvement in a bystander's de