The National Security Agency (NSA) was supposed to develop some sort
of computer that can detect what people are typing through walls and
they were also supposed to have a way to control the thoughts and
feelings of people without the target even knowing they are being
controlled. If you are interested in conspiracy theory, you might like
a story I wrote, "The Cold War Conspiracy."

It's located at:
http://www.scribd.com/doc/2229922/The-Cold-War-Conspiracy-