It may be that their decision to steal the masks was short-term, or even impulsive, considering how little preparation there was.

[Zero pulled up the account of the man who had asking around his network post: another member of faculty, in charge of the Lost and Found.]

His name is Garrett. He seems to keep a pretty low profile, but he's been looking for a way out of the city. If he is our man, it's possible he severely miscalculated his escape route out of here.