@threetails @HeliosPi @LukefromDC which depend on people's stupidity and sufficient weather conditions.
Can't track someone if they don't have a phone on them (or said phone has the battery removed and is shielded in tinfoil)…
Drones doing LIDAR, thermal vision and night vision depend on good conditions. They won't work even in fog and drizzling rain at night.
Like even at the militarized US/Mexico border do they not get 100% coverage and that is basically defoiled desert.
- Just because a Global Hawk has both nighttime and bad weather flight capabilities doesn't mean it'll ne aboe to find anything. Espechally when people weat multiple layers of clothing masks and have a rain-drenched top layer that makes them almost stajd out as cold spots compared to the local wildlife.
Also yes, the #GDR did have extensive surveillance beyond #Stadi "unofficial employees"...
Like the GDR border was way wider than the few hundred meters of barricaded and mined "wall", with basically making anything in a 2 km radius a "closed city" off-limits to anyone not registered as residento,or pre-approved by the Stasi, to the point that children couldn't even invite their classmates for their birthday party even if they were their neighbours.