A is not as careful with his jump into Daldry's body and leaves a cyber clue as to the fact that Daldry was, indeed, inhabited by another spirit. All along he's been claiming that he was possessed by a demon. When Daldry sits down to his computer and pulls up the history, he finds a link to A's email and confronts him. It is because of this discovery that he aligns himself with the evil entity in Reverand Poole.
