An investigation into how a young Air National Guardsman leaked classified documents on the Discord chat platform. With The Washington Post, FRONTLINE examines Jack Teixeira’s leak of national security secrets, why he wasn’t stopped and the role of platforms like Discord.

To illustrate the extent of the leaked material, FRONTLINE and The Washington Post used images of classified documents in this film that had been previously released in news reports, on social media and elsewhere on the internet.