"Yeah, might be the same person who started the other fire before." The one with the couch and the cigarette that Chase was pretty sure was supposed to implicate either himself or Kiley. This time, at least, he was pretty sure there was no way someone would think it was them. At least, not anymore than anyone else.
"But, that make sense though. That once whoever is doing it sees that they're going to be stuck in the house with everything messed up too they might stop." Or they might mess up. Or they might kill someone.