Its a tough call when the differences in the interpretation of lawful and unlawful has to be so vague. I don't think killing or wounding someone trying to steal chickens is going to be well argued in court and let the ACLU get involved your likely to become the prosecuted. Tala that you were not on your own property could turn things against you very quickly if it had become lethal. Believe me don't think for a moment I don't believe in doing what I need to do to protect family, there are few considerations that I would award anyone I perceive as a threat. They're going down. Just be ready with a good lawyer.