Pentagon leak: How secret US files spread then vanished online

The suspected leaker of a large batch of US military documents, Jack Teixeira, has been charged in a Boston court and detained pending trial, but where did the classified files come from and how were they shared online?

We've pieced together what we know about how they first appeared and where they spread online.

First appearance of documents

The documents were initially posted on a small private chat group called "Bear vs Pig".

This was itself a sub-group of another known as "Thug Shaker Central" on the Discord social media...