I thought this was a sad article from Slashdot about killer robots. It makes me concerned about the marriage of such robots and identifying technology. Maybe I am being paranoid but one must 'design for evil' as Bruce Sterling says.

Design For Evil”
Any innocent product which becomes suddenly genocidal in the hands of a tyrant has been designed by a dangerous naif. Every design process is incomplete unless it takes into careful consideration what could be done with the product by a dictatorial megalomaniac in command of a national economy, a secret police, and a large army.