I guess that's interesting, but it isn't too surprising that some software security firms have pitched a rootkit product at some point in their past.<p>It's a fact that the FBI has used spyware to catch bad guys: <a href="http://www.wired.com/politics/law/news/2007/07/fbi_spyware" rel="nofollow">http://www.wired.com/politics/law/news/2007/07/fbi_spyware</a>