I am a retired IT pro with decades of experience.
All the way in means they can change anything they want.
From my research, these are Windows XP machines and there is about zero security once they are in. And they are.
The best bribe money can buy....
If you are right, winxp connected to the interwebz is not secure....
It is almost like they hired a bunch of third world bozos to design their system so that they had plausible deniability when the jig was up... We had no idea our Windows XP based voting machine could be hacked. It wasn't us who changed the votes... in could have been anyone. We are all victims.