Let me spell it out. This guy owned a dog that he let run free of supervision. Then when his negligence created the situation in which the dog he was accountable for killing a neighbor's livestock, he emptied a clip of 7.62mm rounds into its dog house, and then posted pics of the aftermath in order to be praised for his bravery against an animal cowering in its shelter from him. Fuck this guy. Be all "Im on the internet and nothing affects me" if you want, but this guy deserves the worst our penal system can offer him. He killed that livestock, he killed that dog, and he posted pics to expose his ignorance, and his cowardice. He is a disgrace to animal owners, gun owners, and the human race. Describing him as a piece of shit is giving him more apathy than he deserves.
Hope we never meet in person, you fucking waste of skin.