"Country-wide full surveillance"? Maybe we have it already, but just don't know it yet. Search for "Gorgon Stare".
It's featured in a new book called "Eyes in the Sky", and is said to have been used secretly over several cities in the US.
It's featured in a new book called "Eyes in the Sky", and is said to have been used secretly over several cities in the US.
Skip to 30m mark: https://www.youtube.com/watch?v=pP_T45UG1-o?t=30m29s