My family lives in a nice, quiet neighborhood with the exception of my neighborhoods huge dog. Many times when my neighbor is out, this dog has jumped their fence and run rampant all over the neighborhood barking and growling at anyone he happened to come into contact with. He has jumped the fence to get into our backyard and terrified me and my 5 year old DS. He hasn't jumped the fence in a month or so now (that I know of), but I can't even take my DS in the backyard to play on his swingset or play ball without this dog standing on his hind legs at the fence and barking and growling at us constantly. Every once in a great while, if the neighbor happens to be outside, he'll go back there and yell at the dog to be quiet and it will stop for right then, but as soon as he leaves, the dog is right back at it again. If the neighbor is inside his house or away from his house, we're on our own to deal with Cujo. The neighbor on the other side of our house is a police officer and has seen this dog out terrorizing the neighborhood and hasn't done anything about it, so I'm not sure what we can do other than just bear it and take DS to the park instead of playing in the back yard (which is sad considering we have this huge backyard that DS can't even enjoy). I definately don't feel like my son would be safe to play in the yard by himself. Does anyone have any other suggestions?