Prosecutors charge armed volunteer with killing bystander at Utah No Kings protest

First responders tend to a man injured in a shooting at the “No Kings” protest in Salt Lake City on Saturday, June 14, 2025. (Photo by Spenser Heaps for Utah News Dispatch)

The armed protest volunteer accused of killing an innocent bystander in June told police he intended to neutralize a threat. Now, almost six months later, prosecutors say he’s the one responsible for the violence.

The Salt Lake County District Attorney’s Office filed a charge Wednesday of manslaughter, a second-degree felony, against Matthew Scott Alder, 43, of Murray…

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