Thomas Hegghamer is a Senior Research Fellow at the Norwegian Defense Research Institute, and author of "Jihad in Saudi Arabia: Violence and Pan-Islamism since 1979."
Explore our guides for teaching students about 9/11.
Follow an interactive timeline of the events of 9/11.
See the museum through this interactive video experience.
September 27, 2016 | 4:12pm
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A dedicated section for the loved ones of those killed in the 2001 and 1993 attacks. Stay informed and plan your visit.More Information »
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