clipped from: blogs.techrepublic.com.com 
In the wake of that, CNET’s News.com did a survey of 13 leading anti-spyware vendors and found none have cooperated (or acknowledge doing that) unofficially with government agencies. Still, some of them did indicate that if so ordered by a court to keep quiet, they would obey and not alert customers to the presence of government-planted spyware.
Because there has only been two known criminal prosecutions n the United States involve police use of key loggers, important legal rules remain unsettled. But key logger makers say that police and investigative agencies are frequent customers…