As the New York Time reports: "On July 10, 2009, the inspectors general from five federal agencies—the Justice Department, the Defense Department, the Central Intelligence Agency, the National Security Agency and the Office of the Director of National Intelligence—released an unclassified report investigating the origins and operations of the Bush administration's warrantless surveillance program."

This timeline extensively quotes from the joint Inspector Generals Report and can be read in full by following the "read more" link.