9/11 families to gather at World Trade Center and Pentagon to remember victims on 25th anniversary – US politics live

Victims of those killed in September 11 attacks honored at memorials across the US

A generation of spies had lost an enemy but not yet found a role. Then came 9/11.

A decade after the dissolution of the Soviet Union, al-Qaida's devastating attacks on New York and Washington on 11 September 2001 announced to the Central Intelligence Agency (CIA) that the long era of battling communism, for which it had been founded, was officially at an end.