A more recent doxing – an intelligence update circulated inside the bureau warning of the risk that agents will be "doxed" – have private information about themselves posted publicly by the hackers they're trying to catch – appears to be legitimate.
Anonymous has also mirrored and reposted a video allegedly made by a "part-time peace activist" who claims to have been visited by members of an FBI anti-terrorism squad, who tried to use intimidation to squeeze out new information, a confession or permission to search the house without a warrant.
The video is part of an ongoing campaign of counter-harassment against the FBI, which some Anonymi have accused of using hacker investigations as witch hunts, disregarding the rights of "hackers" being investigated an generally being on the support- and enforcement side of all the laws Anonymous metastasized to oppose.
It hasn't happened yet, but both the FBI and Anonymous are large organizations with a lot of resources at (or potentially at) their disposal. It's possible, if the situation becomes any more tense and involving, that neither the FBI nor Anonymous will have time, manpower or bandwidth for anything but investigating the organization that's investigating them.
It won't solve any of the crimes the FBI is trying to solve or the social problems on Anonymous' agenda, but at least it will keep them both occupied for a while rather than making the rest of us watch as they slink stealthily after each other in an ever-shrinking circle.
Read more of Kevin Fogarty's CoreIT blog and follow the latest IT news at ITworld. Follow Kevin on Twitter at @KevinFogarty. For the latest IT news, analysis and how-tos, follow ITworld on Twitter and Facebook.