The BAU team investigates a mass murder at an Internet security company in Charlottesville, Va., but clues reveal it is not a typical serial killer at work. Also, Prentiss must complete recertification training under Morgan's watchful eye.
Deep Throat tips Mulder to a critically important case involving a missing fugitive and the cloning of extraterrestrial viruses.
During a simulated battle, Reese's team of soldiers ends up getting captured because Reese has trained himself not to think; and in court, the evidence against Hal continues to mount.
While investigating a rural religious cult, the agents expose a sinister experiment involving violent teens and alien DNA.
The crew is haunted by vivid images of a battle they don't remember fighting.
