Having had to lay low during the aftermath of the zombie explosion incident, especially since his licensed firearm had been used the evoke the explosion part of it, Billy had calmly retrieved his brass and gone around the building to his car. He'd taken a trip downtown, quite a way's away, to pay a visit to some body of water or another to dispose of the empty casings. On the way back he had picked up a bottle of wine - a Costers del Siurana, dessert wine - which he now holds in one hand as he chimes at the door. A good guest doen't come empty handed is what he's been taught. Of course he was taught that by a military man who all too often would bring his son along to try and impress his boss when they went to diner.