Earlier quoted context omitted.
Kill bots are used right now in Ukraine, including ones with no operator in the loop (too slow)
Details?
Ground drones however are targeted by the FPV drones (wired or radio controlled), so the new thing is to have a thing with automatic targeting to shoot those. Then again, I at least heard about using something open-cv (yes, some of those run actual linux) shaped on the FPV drone itself, as it really helps with the amount of jamming going on.