Satellite designed to kill? I think that's more a plot line to a movie. I don't think we've launched, or are planning to launch any killer satellites.
And, with regards to "spy on anyone" - isn't it generally considered that transparency is a good thing for geopolitics? The physics of satellites/optics are such that you don't really need to worry about satellites personally spying on you beyond the resolution of a vehicle...
"Possible delivery systems include: ... a kinetic weapon launched from an orbiting space platform"
"The IMPROVED CRYSTAL's sophisticated electronics provides sharper images than the KH-11, comparable in quality to the best of the film return satellites, with a resolution approaching ten centimeters. "
If you want to change what government does, do everything you can get away with to change it. That's how the people who actually get their way do it.