Pilgrim said:
Isn't inflitration possible in most of the political groupings?
To be fair to the SWP, yes it is.
I'd be very surprised if Anarchist groups weren't infiltrated, as they seem to garner a fair amount of hostile attention from the State as it is.
My point is that the structure of the SWP, which is highly centralised and highly authoritarian, not to mention the fact that seemingly all decisions are made by one group (the CC) makes infiltration much easier, much more likely and much more damaging.
In Trident Ploughshares (I'm using the example I know best) the structure is as decentralised as possible, with the maximum amount of autonomy given to the local affinity groups dotted around the country. In order to have a full overview of all our activities, there would need to be an infiltrator in every affinity group. And even that wouldn't guarantee advance warnings of any pending action, as actions are dealt with on a 'need to know' basis. If you aren't directly involved in an action, you don't need to know. Simple. When I was police liaison for the Plymouth group, I never knew about actions in advance, because I didn't need or want to know.
The TP system isn't perfect, by any means. No system is. But it offers a lot more security than having everything dependent upon one small body of people. If you have an infiltrator at the top of a rigidly hierarchical organisation like the SWP, the results can be embarassing at best and downright disastrous at worst.