Review of the FBI's Handling of Intelligence Information Related to the September 11 Attacks (November 2004 - Released Publicly June 2006)   [open pdf - 34MB]

"This report is organized into six chapters. Chapter One contains this introduction. Chapter Two provides general background on the: issues discussed in this report. For example, it contains descriptions of key terminology, the FBI's organizational structure, the so-called 'wall' that separated intelligence and criminal investigations in the FBI and the DOJ, the process for obtaining a FISA warrant, and other legal background issues related to how the FBI investigated terrorism and intelligence cases before September 11, 2001. Because the background chapter contains basic terminology and Chapter Three evaluates the FBI's handling of the Phoenix EC. As an initial matter, we provide background on how 'leads' were assigned in the FBI before September 11, 2001, and we summarize the contents of the Phoenix EC. We then describe in detail how the Phoenix EC was handled within the FBI before September 11. In Chapter Five, we examine the FBI's handling of intelligence information concerning Hazmi and Mihdhar. We found that, beginning in late 1999 and continuing through September 11, 2001, the FBI had at least five opportunities to learn of intelligence information about Mihdhar and Hazmi which could have led it to focus on them before the September 11 attacks. In this chapter, we describe each of these five opportunities in detail. In chapter six, we set forth our recommendation for systemic improvement in the FBI and we summarize our conclusions."

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U.S. Dept. of Justice Office of the Inspector General: http://www.usdoj.gov/oig/
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