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3 years ago cops pepper sprayed their own Senator without realizing he's an authority figure
(i.redd.it)
There was at least one that targeted an American born citizen who had defected to some terror organization. US law MIGHT argue he should have been arrested and tried unless he was engaging in active combat at the time. I'm not a lawyer. I just know there were some gray areas with drone use.
There's ALREADY auto-targeting. Check out the Phalanx.