This Trends article discusses the mission of the United States’ (US) independent commission investing the 9/11 attacks and the partial availability of data/evidence to that body as committee members attempted to carry out that mission.
"Trends. The Cognitive Politics of Threat Assessment,"
International Bulletin of Political Psychology: Vol. 15
, Article 6.
Available at: https://commons.erau.edu/ibpp/vol15/iss11/6