Drone targeting often relies on indirect behavioral signatures. [fact]
It is nevertheless on the strength of such epistemological bases that “signature strikes” are today made by American drones. The authorities have built themselves a theater of shadows, but “the result, way too often, is firing blind based on ‘pattern of life’ indicators, without direct confirmation that the targets are, in fact, who we think they are—killing innocent people in the process.”
Grégoire Chamayou, A Theory of the Drone, loc. 226