Earlier quoted context omitted.
Can you explain what makes this so clear?
As others have mentioned, there is circumstantial evidence in that she was photoographed recently at a Lower Manhattan Starbucks quite close to the Southern District of New York (who would handle any Federal prosectuion like this as it realtes to securities fraud). But you have to look at the larger picture: The Federal prosectuion conviction rate is 95%. The Federal government is very good at getting prosectuions in…
That's oversimplified, especially when dealing with wide ranging investigations into complex issues, as the many indictments (including successive, either superceding or in different districts or, in some cases, both) indictments of the same party in the course of, for an obvious recent example, the Mueller investigation attest.