In my essay on the Structure of Terrorist Movements, I examined different participants in a terroist movement and their roles and motivations.
Looking at the information that is coming out about the London bombings, there are striking hypotheses that immediately emerge.
Firstly, there is no coherent visible political leadership to the movement. When dealing with the IRA, or even Hamas, there is an obvious political movement controlling the violence. The leadership may be open, anonymous or pseudonymous, but it clearly exists and makes political statements.
Second, the soldiers did not operate from out of a mass of sympathisers....