He did not shoot at the tree cutters, he pointed away from them and fired warning shots.

He shot at the police when they were preparing the gas canisters to throw at him.

It isn't the fault of Chugach or the tree cutters that the APD, who knew Mr. Musser was suffering from mental health problems, decided they needed to use their military toys and so showed up, surrounding his house in riot SWAT gear with a tank and an excavator, using a megaphone, and started lobbing gas canisters and stun grenades at the man. The APD escalated his stress and the situation instead of approaching him more sensitively to see if they could calm him and get him out of his home and the neighborhood to a mental health facility.

Local police should not be using military equipment or acting like a military force. When they do, they immediately escalate tensions, scare people, and it results in violence.

The above article has changed since last night, by the way.