Imagine you are sitting around the house by yourself, when your cell phone rings. You pick it up, check the display, and discover that the call is coming from your home's land line. Unnerved, you answer the call. On the other end of the line you hear banging and scratching noises.
When police arrived, they investigated the situation thoroughly but were unable to find any signs of a break-in or any other untoward events. Puzzled, the police finally left. It wasn't until several hours later that Gardner was able to identify the culprit: his dog Maya.
