I have a cat, that we love dearly. I have a neighbor who doesn't. They built a bird aviary in their backyard and he claims my cat keeps going over there and climbing the screen. I try to watch for my cat in their yard so I can keep her out of there, but I can't watch her 24/7. Today I heard him telling his wife he was going to kill her the next time he caught her over there. Does anyone know of anything I can buy so they could spray it around the bird aviary to keep her away from there? She is not the kind of cat you can keep inside.