Gillian Barber

A computer with highly advanced Artificial Intelligence begins to kill in order to preserve its existence, after it is deemed too inefficient to continue controlling the workings of an office building.

The agents uncover more information in the government's attempt to hide the truth about extraterrestrial life when Mulder discovers a video of an alleged alien autopsy.

Fear for Scully's health prompts the agents to review the circumstances of her abduction two years earlier.

While investigating the connection between the abduction of several teenagers and a rural religious cult, Mulder and Scully discover the secret tests being performed on the children using the 'Purity Control' alien DNA from 'The Erlenmeyer Flask', which leads Mulder to the Crew-Cut Man, Deep Throat's murderer.