Utah investigators sought help from the public on Wednesday as they work to unravel who was at fault when a safety volunteer at a weekend “No Kings” rally fired at an alleged gunman and inadvertently hit and killed a protester.

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.

At least one person was critically injured in a shooting during a ‘No King’ protest in Salt Lake City, Utah. Salt Lake City police said they have taken three people into custody after the “No Kings” m