Stupidity: Everyone is trying to figure out who among them is infected by a psychosis-causing worm. Physical symptoms are not reliable indicators, seeming to come and go. Near The End of the episode, the scientists are using infected blood to develop a test or cure, and see that larvae in one sample attack larvae in the other sample. If an infected person develops larvae in their blood, why not just do a blood test on everyone to determine who is infected?
Stupidity: Scully is a trained professional and ultimately has authority (and a degree of responsibility) over everyone at the research base. The idea that she would disarm herself just to make someone feel better by throwing out the pistol magazines is ridiculous and negligent especially given that there have been numerous deaths/murders at the base already. (00:33:15)
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