After Septemebr 11, 2001, the federal government detained several hundred people suspected of terrorist involvement, and continued to search for hundreds more. Some were overseas, some were on the run, but most were already at home. Who are these people? Where did they come from? And how could there be so many terrorists or suspected terrorists living among us without action being taken? In this book, the author, the world's leading authority on domestic Islamic terrorist networks, tells the full story of the rise of those who wish to destroy the United States from within. From the 1993 bombing of the World Trade Center, to foiled attacks on the New York City subway system, to a stunning range of murders across the country, there were numerous warning signs that the "American Jihad" had been gaining momentum. This book includes an up to the minute afterword that explains the stops and starts of the post 9/11 investigation. It reveals the full story that only the author knows, and the reasons America failed to stop the most devastating attack in history on our own soil. This is a frightening and crucial book for anyone who needs to understand the threat within our borders.