HAL stopped in front of a large house, knocked on the door and hid his knife. A male fox, who looked in his thirties answered. The latch was still on the door. "Yes, what is it?"
HAL smiled kindly. "We are here because there have been reports of pests in the area, we would like it if you would be so kind as to let us in to do a correct evaluation of your premiss. It should only take a few minuets."