Watch first back flipping robot.
Also you may like the utube that follows it where Elon Musks makes clear AI drones tech is here already here.
The point being, at 1:45 time stamp, assassin drones can exist now, --and probably do--, or the real worry is that a GAI, becomes self-aware and get access to the nuclear weapons { bombs } facilities.
AI > GAI > Self-aware society of GAI Robots formed of plastic and steel. time 6:00 time stamp { terminator is here ? }