Quoted:
I only read the OP, but I feel entitled to comment on this because I had to (try to) drive from Vacaville to Santa Rosa today. About halfway through I came to road closures due to active fires and had to reroute via Petaluma.

Basically 2/3 of the rural areas I drove past in Napa Valley today are completely destroyed. It still smelled like fire. Grape vineyards, homes, businesses, everything. There were track hoes ripping out burnt row after row of formerly-productive grape vines. I passed blackened piles of ash in the shape of former homes, next to the burnt, melted husks of what used to be automobiles.

Every third vehicle I passed was either a cop car, fire truck, or utility truck. About every ten minutes I would pass a duece-and-a-half carrying about ten National Guardsmen with rifles in the bed. There has been rampant looting in the area since the fires started; remember that this is only 45 minutes from Oakland and there's no shortage of morally corrupt opportunists.

I'm in no way surprised or even outraged that Sonoma County is checking the charred ruins for weapons. This is one of the cases where it honestly is better if they find them than if the "other guys" do.