Not only this, but rumor has it that Omni (the original creator of the site) either sold it off or sold root access to a three letter agency years ago.
there are plenty of smaller sites like this too with much more blatant illegal behavior
The site's wiki [1] mentions this as well, but I couldn't find a more substantive article:
> [Hack Forums] boasts a long span of historical happenings involving major events such as an FBI scandal, members going rogue...