I am with you, I go after the predators. If our dogs don't scare them off and they really want to eat my birds, I will shoot them. I had to warn one neighbor quite a few times before he got it. I could tell he loved his dog but the first time I saw a bird in it's mouth I was going to shoot. Took me three warning shots and several calls but now his dog has a shock collar on.
This dog was actively trying to break into two of my chicken yards. My dogs busted him every time though.
I had to scare an owl off this morning. My Roo was out in the dark ready to take it on after it went after and scared his hens. I didn't realize a couple girls roosted outside last night and when my Roo heard the commotion, he was out there fast.
The predator that killed the most in one night was two skunks. They killed exactly 50 chickens in one night after digging under my run. Took me two nights but they were both neutralized. I trapped one at the sight of the first break in and busted the second one the next night digging a new hole. I almost got sprayed as I surprised him so he got a bullet right up his bum.