In a documentary broadcasted on Norwegian television last week, Christian Høibø revealed himself as an informant for the so called ‘counter extremism’ department  of the Police Security Service (PST). He started to infiltrate the left more than ten years ago, at a time of  mass demonstrations against the war in Iraq and against capitalist institutions like the G8 and the World Bank, who met in Oslo in 2002. Starting with an absurd allegation that IS had  hidden weapons, he then went on to report on members, sympathizers and activities, both of IS and other groups active in the anti-war and anti-capitalist movement. In demonstrations he was often sabotaging mass action by actively provoking police crackdowns on demonstrators. To be honest, activists remember him as unreliable and off balance.

The PST asked him to follow named members of IS. One of their accusations was that an IS member, researching Norwegian oil interests around the world, had secret connections with the Colombian FARC guerilla. The venue for ...