FBI releases first of declassified documents related to 9/11
Link to PDF of document: https://s3.documentcloud.org/documents/21061075/release-of-fbi-electronic-communication-dated-april-4-2016.pdf
Link to PDF of document: https://s3.documentcloud.org/documents/21061075/release-of-fbi-electronic-communication-dated-april-4-2016.pdf