The takeaway I get from this woman’s story, is that our side needs to recruit people like her. IOW, insiders. Nobodies, low level functionaries with access to documents and hard information. People who are able to copy and hack and funnel useful information.
Overcoming their loyalty to their bosses is hard, but it can be done.
Conversely, people on our side who are pretty good actors can be placed in those positions with access.
Stalin started out as a Secretary for the Bolsheviks, he used his office to get incriminating information on all of the Party members and ultimately used this to gain power.