One of the accused ran a restaurant in the Kreuzberg district of Berlin. Another one was a taxi driver. Inconspicuous, friendly – seemingly integrated. The discovery of a USB stick made the investigators sit up and take notice. What they found on it was highly explosive: coordinates, photos, clues to possible targets in Germany. Several locations were spied on: the Israeli embassy in Berlin, the US military airport in Ramstein and Tempelhofer Feld, one of Berlin’s most popular parks.