In “Dead Billy Dead, Part 7,” the penultimate tale of the ongoing horror show that is Billy’s life as a vampire, he attempts to put the literal pieces of his life back together. And in part 7 of “Juarez,” you know those stories where all the characters, after struggling long and hard with great adversity both inside and out, have reached the end of their quest and experience a grand reward and are left changed, and better, people for it? This isn't one of those stories.