Continuity mistake: Howard Graves' tombstone states that he died on the 5th of October, but the opening scene's date stamp says the 22nd of September, when it was supposed to be two weeks after Graves had died. (00:11:40 - 00:19:55)
Continuity mistake: When the cup falls over when Lauren wants to see Mr. Dorlund, the box of tissues disappears in the last shot. (00:08:20)
Continuity mistake: Just as Mulder and Scully are entering the interrogation room to question Lauren for the second time, Mulder is holding a thin stack of paper, folded in half in his right hand. In one shot, these are folded horizontally. In the immediate next shot, they are now folded vertically. (00:34:20)
Continuity mistake: In the shot where Dorlund sits in the background his right hand presses on his throat, but in the next shot his throat is totally exposed. (00:40:30)
Continuity mistake: During the car crash, when the shot is taken from the outside of the car, Mulder keeps his head turned left, while in the shot from the car interior his head is turned right towards Scully. (00:15:10)
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