Article 21-3 of the French Code of Criminal Procedure
Investigation assistants are recruited from among members of the technical and administrative support corps of the national gendarmerie, category B administrative staff of the national police and the national gendarmerie and deputy judicial police officers of the national police and the national gendarmerie who have passed a training course sanctioned by an examination certifying their suitability to carry out the missions entrusted to them by law. The role of investigation…