Scully: I was raised to believe that god had his reasons, no matter how mysterious.
Mulder: He may have his reasons, but he seems to use a lot of psychotics to carry out his job orders.
Scully describes the man's body as becoming "living metal" (I think). And Robert Patrick (i.e. The T-1000 in Terminator 2) says something along the lines of "A man made of metal? That kind of thing only happens in the movies, Agent Scully". See more...
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Continuity: When Senator Richard Matheson tells Mulder about the four Japanese Nationals had been murdered, he says that the murders had occurred several weeks ago. But when Mulder brings Scully up to speed a scene or two later, he tells her that someone must have been able to identify the four doctors who were performing the autopsy because they were murdered YESTERDAY.