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

Friends of Arturo Gamboa say they don't believe he ever brandished the weapon. Instead, they believe the shooting was a deadly miscommunication — someone overreacting because he was open-carrying.

As prosecutors consider potential criminal charges against the man whose alleged actions caused the shooting death of another man during Saturday's "No Kings" protest, the investigation into the so-called "peacekeeper" who actually fired the fatal shot also continues.

Arturo Gamboa, 24, is taken away in handcuffs on a gurney and yells that he was shot during the “No Kings” protest and march in Salt Lake City on Saturday. A 39-year-old man died Saturday after being shot during the protest, police said. (Scott G Winterton, Deseret News)

The “No Kings” protest in Salt Lake City was struck by violence when a man allegedly brandished a rifle near the crowd. That prompted someone nearby to fire three shots, hitting both that man

A man who was believed to be part of a peacekeeping team for the "No Kings" protest in Salt Lake City shot at a person who was brandishing a rifle at demonstrators, striking both the rifleman and a bystander who later died at the hospital,