Taking their cues from modern warfare, the far-right American terrorist movement sees off-the-shelf or home-built first-person viewer (FPV) drones as a critical weapon in their own future war against the US government, which has American authorities on edge. And there’s ample reasons for those fears: in the open and closed online spaces where far-right extremists congregate, talk is commonplace of how these cheap drones are revolutionizing current wars and will be the critical tools of a so-called second civil war. “The use of FPV drones in the war between Russia and Ukraine, the use of drones by terrorist groups such...