Any adversary can only hunt for what it knows to be looking for – easy way to avoid becoming prey is to simply fly under the radar and resist detection.
It makes more sense to build and intentionally grow clandestine cell network that can work to exert political influence among population by covertly directing the overt non-underground movements.
There is a reason militias have no power and are basically a pastime for reactionary military enthusiasts (most of whom are unemployable “riff-raff” left over from imperialist war) – they have guns but no intelligence, structure or specific political goals.
Comment: Clandestine cell networks that can covertly direct the overt non-underground movements are indeed the way to go. Hell is eternal, Hell is eternal, Hell is eternal..