In a criminal court, as the jury, we have to determine whether the suspect presented to us is guilty or not, and eventually, to decide what punishment he should receive. When we suffered the events of 9/11, the Bush Junior administration told us that the guilty party was Al-Qaïda, and the punishment they should receive was the overthrow of those who had helped them – the Afghan Taliban, then the Iraqi régime of Saddam Hussein.
However, there is a weight of evidence which attests to the impossibility of this thesis. If we were members of a jury, we would have to declare objectively that the Taliban and the régime of Saddam Hussein were innocent of this crime. Of course, this alone would not enable us to name the real culprits, and we would thus be frustrated. But we could not conceive of condemning parties innocent of such a crime simply because we have not known how, or not been able, to find the guilty parties.