They weren't connected to the internet.
I mean they were hunting and pecking. Cotton is the same person who said he recovered files that the county pointed out were always there.
I'm not going down this road again. Cotton was heavily contradicted by other cyber experts as well. Cotton is also the one talking about software not being up to date which creates issues, but such is not a problem with air gapped networks. I know a bit about airgapped networks because I have a few friedns who run IT at hospitals and they talked about how frustrating it is because everything runs on ancient windows (I forget if it was server 98 or 2000)
I'll again direct you here and read from a Cybersecurity expert who doesn't have a for profit reason to find something