My god you broke its legs and let it crawl away that is jsut fucking wrong. I mean if you go that far jsut kill it. Shit, at my house we use to shot squirrels for getting on our bird feeder and shit and if i miss (they are quick) and get them in the ass or something it usually takes there legs out and they still dont stop, i at least chase them down and get a shot in the head. I mean dam, killings killings but to injure something like that and watch it crawl away is jsut wrong, either kill it or get someone to come get it!