Scully dates this episode as August 29 when she performs the autopsy, but the two previous episodes occurred in September.
When Mulder interviews the first victim's roommate, she tells him about the online chat rooms. He immediately calls Scully and tells her that he has already called the on-line service. Apparently, Mulder is a very fast talker.
If the Italian works of literature from the letters are so rare, how does Mulder find them so easily? And how can they manage to narrow a list of those who can access them?