They must wear the masks to hide their identity from the terrorist who would target their family.I hope we can get these guys some better vehicles soon.I wouldn't want to be driving around in the back of a pick up.
Remember South Vietnam where many many "members" of the VC were coerced to fight by methods used by the NVA installed/armed village cadre team and their lists of names (your sisters in particular). Many Vietnamese refugees sttled around here in the late 1970s and brought with the horrible low down on that time of terror.