Sorry, but at least in the US you are 100% liable if your dog hurts someone.
criminally liable? Of course you have to pay their medical bills, but unless there was some serious negligence on your side (eg. you let it off leash), you won't be criminally liable.
criminally liable? Of course you have to pay their medical bills, but unless there was some serious negligence on your side (eg. you let it off leash), you won't be criminally liable.