Kaka Tim
Half Arsed and Slapdash till I Die
The Guardian reports assume that activists are among the readership; and they noted that some activists had their suspicions beforehand.
Other papers boiled the story down to the dramatic moment when the passport was found.
From what I heard the passport raised suspicions among his freinds - they did some digging and got hold of his marrige certificate which had his job listed as 'police officer' - so he was bang to rights rather then coughing up due to a guilty conscience. He offered to name names of other undercover cops and stool pigeons - but he was (rightly) turned down as they felt he was just to continue to fuck them around.
Interesting question as to weather he was MI5 or not ...
IMO it doesn't pay to get too tied up in knots over undercover plod. We know they are there and may well attempt to stir shit within an organisations - but most political activism is public. Direct Action of the type carried out by earth frist et al is gerenally about carring out symbolic actions to publicise an issue rather then to have an actual effect on the state or big busines. The state feels fit to spend millions infiltrating such groups - but they have very little effect on their activism other than casuing the occasional action to be thwarted - they cant stop thousands turning up to protest, or blocade or picket.
The worst thing about this case is not just that people have been convictied of the back of his actions - its also the emotional trauma he has inflicted on those he was closest too. Imagine finding out that your lover of several years was leading a double life all the time - not just secretly married, but faked his entire realtionship with you in order to snitch on you and your friends to the cops? That sort of shit could break people.
If it was me I'd be looking for hefty compensation from the police (or whoever ...)