Who form an organization called the Web, which is, if not commonly known, at any rate not actively hidden.
Except it's not really an organization, it's more of a network of connections between scholars. And while they contain a common interest in studying unsavory subjects, there have been some true benefactors of mankind in their number. You have to study curses to know how to curb them.
My history-loving kid started asking more questions. I concluded that the name was applied from the outside first, and adopted. And that there really is a (nasty) core. There are, however, obvious problems in rolling them up with arrests.