Apparently the US Army already has thousands of killbots in Iraq:

I love the Army’s attitude:

While Fahey said that no inappropriate shots had been fired, and no casualties, Fahey stated sadly that the robot’s control failure might be the end of the program. Says Fahey, “Once you’ve done something that’s really bad, it can take 10 or 20 years to try it again.”

No, once you’ve done something that’s really bad, you get arrested, tried, convicted, sentenced, imprisoned, and you never do it again.