An attack against Tor Browser users on Windows machines was discovered this Sunday, and there is speculation that the uncovered malware was used by a law enforcement agency to harvest the IP addresses of users of several hidden services hosted by Freedom Hosting. The malware exploits a serious JavaScript security vulnerability affecting Firefox and other products that share the same code base, including the Tor Browser.

If you are using software based on Firefox major version 21 or earlier, Thunderbird 17.06 or earlier, or SeaMonkey 2.18 or earlier, please update your software immediately. Tor Browser Bundle users who have not updated to the most recent version are also at risk, and so we've provided a screenshot tutorial for how to update the Tor Browser Bundle below. Creative Commons Attribution License

First it was the WoD, then the WoT, and now the WoP Porn as thought crime.
Just think of the intersection of Eric Rush's book and thought crime redefined to include that paraphilia.