Introducing: Day X

What starts with a mysterious gun in an airport bathroom and a
fake refugee identity opens the door to a nationwide network of
far-right extremists inside Germany’s military and police. It’s a
story about a changing national identity — and the backlash
against it — raising a question that democracies across the world
are waking up to: What happens when the threat is coming from
within?


See all episodes of Day X at nytimes.com/dayx