Government releases dozens of 1998-99 President's Daily Briefs warning of bin Laden threat
A batch of declassified President's Daily Brief items spanning February 1998 through mid-1999 has been released, documenting repeated CIA warnings about Osama bin Laden's network. The documents track intelligence on bin Laden's location, his pursuit of chemical, biological and nuclear weapons, infrastructure in North America, and plans to hijack US aircraft, among other threats.
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These records show US intelligence agencies were tracking bin Laden's ambitions and capabilities in explicit detail more than two years before the September 11 attacks, fueling ongoing debate about missed warning signs. Their release adds to the historical record used by researchers and the 9/11 Commission to assess how actionable intelligence was handled before the attacks.
- Declassified briefs span February 1998 to mid-1999, well before 9/11.
- Reports repeatedly flagged bin Laden's plans for attacks on US interests, including hijackings.
- The documents include specific warnings about bin Laden's infrastructure inside North America.
Source: cia.gov, 2026-09-11
Published there as: “Declassified 9/11 related President's Daily Brief products”
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