[ ... Zymandis again? Oh, great. Like last time, Dipper makes his way through what's already been discussed before chiming in himself. ]

Chapman is still working at the hospital—and I wouldn't totally erase him of suspicion just yet. Percy, though... Either no one's cared enough to notice he's been seriously slacking off, or he hasn't been around at all lately. Something tells me it just might be the latter.