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Intelligence agency failures

Alleged failures by U.S. intelligence agencies, including the CIA and FBI, to share information and prevent the 9/11 attacks

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Jan 28, 2026
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Were there communication breakdowns between CIA and FBI prior to 9/11?

There were significant communication breakdowns between the and the in the period before September 11, 2001: multiple official investigations and contemporaneous reporting conclude that intelligence a...

Jan 29, 2026

What specific warnings were ignored before September 11 2001?

Multiple concrete warnings about an impending attack—ranging from a high‑level presidential daily brief to internal memos about suspicious flight‑school attenders and repeated alerts from allied intel...