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GAO report on 13 of the hijackers involved in the September 11, 2001 terrorist attacks

Government report

By: United States Government Accountability Office (GAO)

Date: May 2004

Source: "Overstay Tracking: A Key Component of Homeland Security and a Layered Defense," as published by the United States Government Accountability Office.

About the Author: The United States Government Accountability Office is the investigative arm of congress that examines government efficiency by evaluating federal programs, auditing federal expenditures, and issuing legal opinions. Following the September 11, 2001, terrorist attacks on the United States, in-depth investigations probed the individuals that articulated the attacks. Soon investigators, and the American...