“The defense program DARPA is working to create an artificial brain—but what will it mean for humanity if it succeeds….Which raises at least one technical problem regarding artificial intelligence and autonomous hunter-killer drones. “I think robot assassins are a very bad idea for a number of reasons,” Kenyon asserts”. Read more:  Inside the Pentagon's Effort to Build a Killer Robot

My comment: This is only the first of many issues facing us in the near future.