With the premise 'At the same time or shortly thereafter, Atta-the only terrorist on board trained to fly a jet-would have moved to the cockpit from his business-class seat, possibly accompanied by Omari.', is 'Atta left his seat in business-class to go to the cockpit.' simply an unrelated statement?
At the same time or shortly thereafter, Atta-the only terrorist on board trained to fly a jet-would have moved to the cockpit from his business-class seat, possibly accompanied by Omari.###Atta left his seat in business-class to go to the cockpit.