Government officials had gathered intelligence on Osama bin Laden and his network before a major attack. This information has now been made public. The release includes details about his support system and how his operations were financed.

Security analysts had been tracking his movements and were concerned about possible threats to targets. The documents also show officials' understanding of his network in various countries.

Further details are available, including the declassified documents themselves, which can provide more insight into what was known about the threat before it was carried out.