Kim Manners called his work "a great job". The scenes that take place in the main computer terminal room were shot on a 20th Century Fox sound stage, whereas the scenes with Mulder being tortured by the military guards were shot at Fort MacArthur, a former military base in San Pedro, California, that was decommissioned in 1974, including The Marine Mammal Care Center located at Fort MacArthur. Filming the court room was one of the "most challenging sequences" Manners had ever done. Carter wanted the courtroom to have no spectators and no jury. This meant that Manners had to shoot each scene with a limited number of actors and make them look "fresh". Manners was terrified to film the 40-page long courtroom scene, pointing out that the show was basically re-telling a nine-year history of The X-Files. Corey Kaplan designed the set. The faux Anasazi ruins were constructed inside Anza-Borrego Desert State Park in southern California. Location manager Mac Gordon later noted that, due to the presence of a rare "spiny black horned toad" in the area, he and his crew were required to hire several biologists to locate any lizards in the area and move them elsewhere. In addition, Gordon had a difficult time persuading the park rangers to allow them to build and then blow up faux-ruins. He explained, "we were on a state park property that was an off road park, with motorcycles and [All-terrain vehicles] flying all over the place, but they still blanched when I said we have to build Indian ruins and then blow it up." The cameo of The Smoking Man, however, was filmed on the 20th Century Fox sound stage. Manners noted that Davis had "a hell of a time" trying to smoke his cigarettes through a hole in his neck, because the hole was "phony". The scene featuring The Smoking Man being burnt up by the fire from a missile was done via computer animation. The missiles were created via CGI technology by animator Mat Beck. The helicopter, however, included real smoke bombs. A shot of William B. Davis was overlapped with fire, and eventually a skull to give the effect that The Smoking Man's flesh was burnt away. Paul Rabwin later called the scene a "great sequence". The last scene of the episode shot was between Anderson and Duchovny and was called "extremely tough" by Manners, due to it being