My client wasn't working with that human I struck; he was just a random passer-by. There are no ISO guidelines under which he may be convicted.
-- Robot lawyer
After robot ethics, will we introduce robot moral culpability, robot self-preservation and robot punishment?
"The ISO’s update will, for instance, include guidance on the maximum force with which a robot may strike a human it is working with."
http://www.technologyreview.com/news/531356/should-industrial-robots-be-able-to-hurt-their-human-coworkers/