Scroll down to markf's reply in particular. It's heavily implied that ponderosa121 and elaboration were reported to the National Center for Missing and Exploited Harry Potters Children.
I'm going to check innocence_jihad and if this isn't already there, I'm gonna crosspost it. Sorry if you see it twice, but I'm finding that a lot of people haven't lurked quite as aggressively as I have and haven't seen it.