Good heavens Jack are you asking that I prove a negative?

Thought that was impossible. I made a statement you disputed it it is up to you to provide substantiation not me.

Khan tape mentioned Zawahiri, if Khan had received his training from the Atef group then all three could legitimately lay claim to responsibility all for the same organisation and all for the same cause.

The Islamist crowd that claimed responsibility for the Oslo bomb did so for one reason and for one reason only - they hoped to provoke a violent reaction in Oslo and in Norway against the Muslim community - they failed and the authorities were onto preventing that extremely quickly.