Not from the US but https://www.cbc.ca/news/canada/nova-scotia/freedom-of-inform...

This news segment goes into more detail about how he downloaded the documents (by incrementing the document id in the url) https://x.com/Brett_CBC/status/984751373525901313

IDOR is a well known security issue that can result in exactly the scenario described (someone incrementing a counter in a url) and has on many occasions in different jurisdictions caused legal issues for the person doing it. Unless you are specifically asking for a hn reference, which I don't understand the relevance but I'm sure they exist.