Of course this BBC article is referring to PC's that have been turned into zombies:
http://news.bbc.co.uk/2/hi/technology/6752853.stmQUOTE
The FBI has been trying to tackle networks of zombies for some time as part of an initiative it has dubbed Operation Bot Roast.
This operation recently passed a significant milestone as it racked up more than one million individually identifiable computers known to be part of one bot net or another.
The law enforcement organisation said that part of the operation involved notifying people who owned PCs it knew were part of zombie or bot networks. In this way it said it expected to find more evidence of how they are being used by criminals.
"The majority of victims are not even aware that their computer has been compromised or their personal information exploited," said James Finch, assistant director of the FBI's Cyber Division.
Funny headline though!