“It doesn’t change her basic argument: The communications were not classified when she sent/received them. At worst she will be shown to have poor judgment”
The 2nd paragraph from the above IG letter seems to debunk that theory.
Exactly, that information was incorrectly excerpted from classified data that had to have been marked. To excerpt, the markings must accompany it.
To do this and put it on an unclassified AIS is illegal.