A whistleblower has come forward with an explosive new trove of documents, rivaling or exceeding the Twitter Files and Facebook Files in scale and importance. They describe the activities of an “anti-disinformation” group called the Cyber Threat Intelligence League, or CTIL, that officially began as the volunteer project of data scientists and defense and intelligence veterans but whose tactics over time appear to have been absorbed into multiple official projects, including those of the Department of Homeland Security (DHS).