Introduction Although terrorism in the 21st century has become nearly synonymous with Islamist extremism, the United States has suffered from many non-Islamist domestic terrorist attacks over recent decades. In fact, over two-thirds of terrorist attacks in the US since 1980 have been carried out by non-Islamic extremists. These attacks have
The Estimate, Terrorist Threats to the US Homeland, followed the standard process for producing National Intelligence Estimates (NIEs), including a thorough review of sourcing, in-depth Community coordination, the use of alternative analysis, and review by outside experts. Starting in October 2006, the NIC organized a series of roundtables with IC
“Al-Qaeda followers are inside the United States and would like to attack targets here and in other countries, Homeland Security Secretary Janet Napolitano said Wednesday night…. “Home-based terrorism is here. And like violent extremism abroad, it will be part of the threat picture that we must now confront,” Napolitano said.