Nobody knows how it works and how it can be targeted.
Carnivore scans all the incoming and outgoing e-mail of people under surveillance. The agency acknowledged the existence of such a system two weeks ago when it discussed it with telecommunications experts. Carnivore comes to light The system first came to light during congressional testimony in April. Washington lawyer Robert Corn-Revere told a House of Representatives subcommittee how an ISP was asked to allow the government to install the Carnivore system. The FBI says that they need Carnivore to keep pace with the internet Apart from the technology, ISPs find themselves in an awkward position under present law with respect to investigations and user privacy.