Dog Gone-It!

Okay, someone help me out here. There's these people that moved in a few doors down and they have this dog...yeah, it's a mid-sized, med-long haired, black dog almost the same as all the other dogs around here but it's SO not the same. Plus it has a colored collar that stands out. Anyway...this dog had ambushed me in our backyard a few months ago at night (we have a motion sensor light so I could see it). It runs around barking like mad so you can definitely tell which dog from which. Not long ago I heard the dog running around again and this time it was during the day and was in and out of your yard again. The best part was that this time, the female owner was out front. She was quite pregnant and throwing lunch meat at the dog that she obviously would not go near. That got me thinking. Hmmmm Then the husband came and tried to grab the dog's collar but wouldn't do it from the front of the dog, only the side or back. Again the damn thing went running into our yard. The owners tried to get on either side of the house but it wouldn't come out. By this time I was FURIOUS. First she rewards it by feeding it while it was still on our lawn then they don't even have the balls to come knock on the door?! I made sure to confront the woman who claims that it's never gotten out before this...yeah, right. And it was obvious that they didn't want to get too close to it in certain ways so I sure as hell don't want this one running up on me! Who knows what it'll do. Right now we're saving up for a new fence installation which INCLUDES gates so I don't have to worry about being back there with the 2 year old and having her eaten alive. As it is now I take the bat with me just in case. UGH!