Patent 4264978: Device for locating audio surveillance apparatus
generator is provided for transmitting an acoustic pulse which is sensed by an audio surveillance device and retransmitted as modulated electromagnetic information. Associated with the pulse g Patent
Federal Bureau of Investigation - Press Room - Congressional Testimony
can be funneled. This is roughly analogous to using an electronic surveillance device only within in a single trunk or cable within a telephone network
surveillance: Definition, Synonyms and Much More From Answers.com
If someone is able to install software on your system they can turn your computer into a surveillance device. Computers can be tapped by a number of methods, ranging from the installation of physical