The idea of killer robots has been explored widely in science fiction movies, including Terminator, Blade Runner, and Robocop. Collectively, these weapons fall under lethal autonomous weapons systems, which can include bombs, dog-like robots, and machines that use artificial intelligence to make decisions on the battlefield. Rights groups have argued that allowing robots to make life-or-death decisions is inhumane. However, a conclave in Geneva last week failed to regulate its use.