The CIA released previously secret intelligence briefs showing it repeatedly warned Presidents Clinton and Bush that Al Qaeda intended to attack the U.S. before 9/11.

Intelligence summary

The CIA released previously secret intelligence briefs showing it repeatedly warned Presidents Clinton and Bush that Al Qaeda intended to attack the U.S. before 9/11. The documents reveal striking clues, including a 1998 warning that Al Qaeda might fly an explosives-packed plane into an American city.