As portrayed in this short video, the eight signs of terrorism are:
- tests of security
- acquiring supplies
The CELL is home to the world's only multimedia exhibit about the history and causes of terrorism and the best known policies employed to combat such current and future threats to American citizens and people around the world.
Meanwhile, DHS Secretary Napolitano tells Bloomberg News that federal, state, and local law enforcement agencies are tracking terrorists with "al Qaeda leanings" in the U.S.