September 26, 2013
The events on September 11, 2001 caused the intelligence community and the United States Government to realize their failures and dramatically reassess their operating procedures. This undertaking included increased communication and joint operations between different branches of the defense department and the intelligence community, an investigation by Congress into the performance of the intelligence community, creation of government agencies such as the Department of Homeland Security, policy changes such as the Intelligence Reform and Terrorism Prevention Act (IRTPA), legislative changes such as the U.S.A. Patriot Act,