My neighbor is a very nice fellow. We both have huge fenced yards. His new dog - a rescued 9 month lab mix - digs under the fence or climbs the fence to enter my yard each morning and kill chickens. Last week it was 2 assaults, then Sunday his first kill, caught him making good effort to kill yesterday, and this morning I caught him too late for 2 Serama roosters and 3 white leghorn hens. I had warned my neighbor that once they start killing it gets worse and that he could kill a lot of chickens in just 30 minutes. I think the dog needs to be put down - uncontainable, uncontrolable, thrill killer. My neighbor does not want to do that. I explained that finding him a new home would just put other people's pets in danger. He nearly got my cat and it was a murderous intent - i could tell. My neighbor has a big 2 acre fenced yard with a companion for the bad dog...but he wants to kill chickens. He lunges at cages and got into a cage to do his killing this morning. I cured my other neighbors dog after just one attack. When he pulled a hen off her nest and ran with her, I waited for him to come back. I locked him in my fence for hours and terrorized him (never hurting but yelling and threatening and chasing him "with the fury of God's own thurnder.") My 2 younger girls were crying and begging me to stop, but I told them it was for his own good. He's never come back and barks at me when I am out in my yard. On Monday, when I caught him trying to kill chickens, I picked him up and yelled and shoved his nose in the dead chicken he killed Sunday while I was at church and caged him, but today's episode makes it clear that my averson therapy isn't working and the thrill is worth it. Can you tell me how to break his bad habit?