Across the globe, spies gather in inconspicuous dens where they meet contacts and hold discreet conversations. This week, Intelligence Online dives into a basement near Tokyo's Hibiya Park to dine at Shunju Tsugihagi, a restaurant prized by Japanese diplomats and counter-espionage agents.
In a country that puts a premium on discretion and attention to detail, it can be surprisingly hard to find a venue that meets both these two requirements. Employees of the Public Security Investigation Agency (PSIA or Koancho, IO, 21/10/15 and 05/11/08) have found one that suits them, however, near their headquarters in the small, intimate premises of Shunju Tsugihagi. It lies in the heart of Tokyo between the fashionable Ginza distract and that of Chiyoda, home of the Japanese political class and