Direction de la surveillance du territoire

The Direction de la surveillance du territoire (French pronunciation: [diʁɛksjɔ̃ də la syʁvɛjɑ̃s dy tɛʁitwaʁ], lit. 'Directorate of Territorial Surveillance', abbr. DST) was a directorate of the French National Police operating as a domestic intelligence agency.

Source: Wikipedia — Direction de la surveillance du territoire (CC BY-SA 4.0)