Continuity mistake: When Mulder and Scully talk about the piece of skin while driving to the reservation, one can see that there are green trees from the Mulder's side of the road, but when the shot is taken from the outside of the car, there are only grey bushes and landscape devoid of nearby trees on both sides of the road. (00:07:00)
Continuity mistake: At The End of the episode, when Lyle is transforming in the bathroom, we see his hand perfectly shred a shower curtain, however in the next shot we see his hands and they are still fully human. There's no way he could have done that. (00:38:44)
Answer: He was being facetious. He doesn't specifically know that information, he was merely giving examples of the types of information he has access to.
I think so too.
lionhead