Missing - Patient X

Seizoen: 3 - Aflevering: 11 / 52 - Eerst uitgezonden: 18 september 2005 - Episode ID: 179859

When the teenage perpetrator of a high school hostage crisis disappears, the agents solicit some unusual help from their suspended boss, Pollock, to investigate the school psychiatrist's records. Then, when another student goes missing, suspicion falls on the mysterious Patient X.