I heard about the attack outside of this thread and new what you meant when I read your post. Not too many people are aware but terrorism is actually quite a recent phenomena and most scholars would be inclined to think of four main waves of terrorism: beginning with the Russian anarchists in the late nineteenth and early twentieth century, the anti-colonial, the new Left and subsequently this new religious turn. If understood together they can be seen as part of the one phenomena of disenfranchised anti-nationalists opposed to the capitalist framework which has engrained itself on nationalism. I do hold a soft spot for the anti-colonialists... Yet, one man's terrorist is another man's liberator, one could say.