 While following his "ghost" she discovers a hideout of his where he seemed to be conducting an independent investigation into the "pattern".She also finds an engagement ring with the word "always" written inside, suggesting John was intending to propose to her, which she takes as a personal keepsake.Before his consciousness disappears completely, Olivia learns that John was working undercover for the NSA, infiltrating ZFT, by now known to be the organization responsible behind "the Pattern", and that whatever relationship the two of them had was real.