Is 'American also began getting identifications of the hijackers, as Ong and then Sweeney passed on some of the seat numbers of those who had gained unauthorized access to the cockpit.' a clear rebuttal of the premise 'The hijackers got unauthorized access to the cockpit.'
American also began getting identifications of the hijackers, as Ong and then Sweeney passed on some of the seat numbers of those who had gained unauthorized access to the cockpit.###The hijackers got unauthorized access to the cockpit.