A number of robots in development for the military are being given increasing amounts of autonomy. The question is now how they will be used.
Think of advanced robotics, and it is easy to let your mind wander to the sentient beings depicted in Blade Runner, or the soulless, autonomous assassins in the Terminator franchise.
(http://webmaths.files.wordpress.com/2011/08/stallone.jpg)
Nothing can go wrong, go wrong, go wrong, go wrong - http://www.bbc.com/future/story/20120928-battle-bots-think-for-themselves