Check this out.
According to Wired, the U.S. Military has proceeded with test firings of a mobile chemical laser. They use words like "Supernatural Accuracy", and it apparantly has both a 'Stun' and 'Lethal' setting.
I am of two opinions on this. The first is that, the less people that die in wars, the better. It could revolutionize modern war-fare.
The second is that, in the hands of our Robot Overlords, we'd be toast. But then again, we'd be toast anyway.