I know my neighbors on either side of me very well. One has a dog, a nice well-behaved dog, and that I will protect. The other, no pets, but nice people. Any other dog running loose on my property WILL be shot. No hesitation. I hate, seriously HATE people who let their dogs run loose, to crap and pee on other people’s property, and to chase their pets. Only one way to teach them.
I believe that in WA state, it is quite legal to kill stray animals attacking your livestock. I don’t think that’s complete, and I am not a lawyer, and cannot give advice, but I did look it up last year, and believe that’s what it said.