Originally posted by Buddy Hayden
Perhaps write out a letter explaining that unless the dog is kept restricted to the rightful owners property as not to let it stray, that it will become an Ex- dog , it will go to meet it's maker,it will be no more,it will pass on, it will become extinct, it will cease to be, it will expire,it will be a late dog,it will be a stiff , bereft of life,it will be pushing up daisies, it will run down the curtain and join the choir invisible ! and drop it into the owners mailbox ???..just a thought !! 
Hmmmm, well, threatening to kill someone's dog is a good way to get in legal trouble, and putting something in someone's mailbox is another good way. (Federal Offense, and the Post Office takes it seriously. I really advise against this....