security company - not likely, no uniformity. masks not needed - why carry?
mercs, possible but not likely - too expensive.
volunteers... deputized? no badges - so not sworn.
"we are here supporting the Shariff." a Sheriff came out to see what was going on. some kind of irregular malitia, in with the Sheriff's department? probably former LEO not military by their rigs.
- not a bad scouting run, wish he had scanned the parking lots for other plates. at least two of the vehicles were armored, one had a lockable gunvault. probably a fed response team. The suburbans may have had vaults in the back.