[defconw]

"But only if the cow appears to be advancing in a "threatening manner"

OR

wielding gardening shears or a Pop Tart eaten into the shape of a gun.

[Leaning Right]

wielding gardening shears or a Pop Tart eaten into the shape of a gun

I totally forgot about the weapons aspect of all this. A cow armed with, say, a shovel would be a formidable opponent. So if a UDSA officer sees a cow walking towards a shovel, better to shoot first and ask questions later.