The Q'ran does not absolutely forbid killing. It does, however, forbid the killing of the innocent --- saying that 'He who murders one, murders a thousand' and it very definitely DOES NOT justify suicide bombing --- 'He who destroys himself by poison, by the sword or by leaping from a high place, at the Day of Resurrection shall be tormented in exactly that way'. Where's the exception in that for suicide bombing? I can't see it. The slender thread from which these killers hang their insane argument is the fact that the Q'ran permits killing those who attack Islam. So, perhaps their leaders should explain to them that, before detonating themselves, they should enquire of those in the vicinity if they are attackers of Islam or merely innocent passengers or passsersby with no very clear thoughts about Islam!