Judge Greer has an agenda. He has never seen Terri in person from what I understand.
Yes, his agenda is to kill Terri. No, he has not seen her in person. He has no interest in doing that. He might change his mind if he saw how alive she really is. He doesn't want to change his mind, and he doesn't want anyone finding out that he has let Michael get away with neglect of a disabled person among other things.