Whatever you decide to do, please DO NOT place an empty 2-liter plastic Pepsi bottle over the muzzle of your .22 rifle, DO NOT duct tape the plastic bottle firmly in place, DO NOT chamber a round of ammunition, DO NOT point the rifle through the fence in the dog's face, DO NOT pull the trigger. Also, DO NOT discuss such thoughts, plans, or deeds with anyone, ever, and DO NOT keep used plastic pop bottles, duct tape, or empty cartridge cases.
Other things that should never be done include buying rat poison anywhere near your home or where you might be recognized, and certainly do not use a credit card or check for such purchases. Never keep your rat poison inside hot dogs or ground beef.