While investigating the connection between the abduction of several teenagers and a rural religious cult, Mulder and Scully discover a secret test 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.
Quest roles:
Gillian Barber(Penny Northern), Lindsey Ginter(The Cleaner), Mark Rolston(Richard Odin), Tony Sampson(Brad), Paul Sand(Gird Thomas), Robert Clothier(Commander Christopher Johansen), Steve Eastin(Sheriff Mazeroski), Bob Frazer(Gary Kane), Crystal Verge(Woman Reading Words), Brian McGugan(1st Officer), Elisabeth Rosen(Katie), Gerry Nairn(1st Man), Cory Chetyrbok(Hospitalized Soldier (uncredited)), Cameron Labine(Rick Mazeroski)