At first his D.O.P. interrogators would attempt to trap him into admissions by displaying omniscient knowledge about the personalities and workings of his group. Often he would be confronted with a boukkara or cagoulard, a Muslim with his head covered in a sack with eye-slits who had broken under interrogation and was now acting as an informer—a particular horror for the Algerians.

QUESTION: The psychological technique of using broken prisoners as informers is striking — worth exploring how this tactic influenced resistance solidarity and paranoia.

Horne, Alistair, A Savage War of Peace- Alge…, loc. 590