... related to her wrongful termination complaint, arguing that she shouldn't have been fired for leaking information in 2013. So either those documents are irrelevant except to show why she is a former UN human rights lawyer (evidently her complaint was unsuccessful) or revealing the attendees of events in advance is exactly what she leaked back then, in which case it's a bit suspicious that she suddenly got multiple outlets to report on it only 7 years after the fact.
> I will humor you, and add yet more sources (though I am sure you will be able to find something objectionable about each)
The problem common to all of them is that they're not independent sources, but just different write-ups of the same person's statements, namely that former UN employee. Adding more links isn't the same as adding more information.