Overview
The spy agency released 71 declassified presidential briefings, with one showing it had thought Al Qaeda's plans were 'widely known' by extremists.
Source
Originally published at www.bbc.co.uk.
Conflict & War
CIA warned of threat of 'explosive airplane' years before 9/11, documents show
Key Takeaway
The spy agency released 71 declassified presidential briefings, with one showing it had thought Al Qaeda's plans were 'widely known' by extremists.
Frequently Asked Questions
What is "CIA warned of threat of 'explosive airplane' years before 9/11, documents show" about?+
The spy agency released 71 declassified presidential briefings, with one showing it had thought Al Qaeda's plans were 'widely known' by extremists.
Who reported this story?+
This story was reported by BBC News.