That's a toughie. Parents will deny, deny, deny that their kids would ever do anything bad to an animal. As much as I'd like to pummel the kids, whenever something like that happens, I do my best to remain calm, turn the tables on them and thank them for thinking of me but I really don't mind if animals venture onto my property. Then I ask if they have pets, what kind, what their names are, etc. Makes the kids friendly toward me. As I said, I'd like to give them a good ass kickin' but .....