Fifteen years after September 11 attacks, one aim of terrorism remains unchanged


Fifteen years after the September 11 strikes on New York and Washington, the staging of terror attacks is dramatically altered. But the essential element is unchanged – whatever weapons are used, the objective that counts is instilling fear.

Fear of the unimaginable in the wake of the spectacular collapse of the Twin Towers and the gouging of the Pentagon has been supplanted by fear of the believable: the target could be an airport from which people travel; the club where they catch up with friends; the shopping centre at which they get groceries.