"The President has undertaken to ensure the maximum degree of transparency within the framework of the law and to assist the families (of the victims) in their efforts to achieve full accountability in relation to the declassification of documents that relate to the September 11, 2001 attacks ..." the words.

She recalled that Biden had previously signed a decree instructing the US intelligence services to study the possibility of declassifying documents on September 11.

Earlier, the Federal Bureau of Investigation published the first document on the 9/11 attacks, declassified as part of the Biden decree.