The “tap-tap-tapping” was loud enough to startle the dog, who woke up from a sound sleep with her game face on, barking as if the Jehovah’s Witnesses were on our front porch with copies of The Watchtower and Awake! As I’ve been known to tell them, “Trust me, you’ve got the wrong house.” “Tap-tap-tapping.” The ubiquitous Ring Video Doorbell we had installed wasn’t chiming. No one was outside. It was something else. Madison – the killer dog who allegedly nipped Sprinkler Guy John – growled, barked some more and then went back to sleep. I heard the noise again, so I got up and put my ear to the outside wall, where the…