A dirty bomb attack on downtown Los Angeles’ financial district could severely affect the region’s economy at a cost nearly $16 billion, fueled primarily by psychological effects which could persist for a decade

In the event of a bioterror attack on a building (think: the 2011 anthrax attack on the offices of two Democratic Senators, Tom Daschle of South Dakota and Patrick Leahy of Vermont), the current approach to decontamination is to clean up the building until no pathogens can be detected; researchers suggest, however, that whether or not pathogens are found depends greatly upon how extensively the buildings are tested

In a new research, economists say that the presence of big-box retailers, such as Wal-Mart, K-Mart, and Target, may alter a community’s social and economic fabric enough to promote the creation of hate groups; the researchers say that the number of Wal-Mart stores in a county is more significant statistically than factors commonly regarded as important to hate group participation, such as the unemployment rate, high crime rates, and low education

The French are debating their anti-terrorism policies in the wake of the worst terrorist attacks on French soil; the debate centers on whether or not the authorities have the right approach to combating terrorism 

The Seoul nuclear summit focused on the risk of nuclear terrorism; there are two risks: first, fissile materials, which terrorists may use to construct a dirty bomb, is kept at thousands of medical, research, and industrial facilities around the world – often without sufficient security; second, constructing a Hiroshima-type bomb is not as difficult as we may think

In the first part of this article, we reported that the FBI’s relationship with the NYPD Intelligence Division has become strained, and as a result information exchange has been impaired as the FBI and other jurisdictions have objected to some of the actions NYPD has taken; today, we report on the NYPD’s view

Today is the deadline for the U.S. Department of State to explain to the U.S. Court of Appeals for the District of Columbia Circuit why the department would not remove the Iranian anti-government movement MEK from the U.S. terrorist watch list; the MEK engaged in terrorist activities against the current regime in Iran, but renounced to use of terrorism after 9/11; the EU has removed the MEK from its terrorist list a few years ago

Al Qaeda is perceived as the primary terror threat to the United States, but Congressman Peter King (R-New York), chairman of the House Homeland Security Committee, sounds the alarm that Hezbollah may be the greater threat

A simple, inexpensive dip-and-dry treatment can convert ordinary silk into a fabric that kills disease-causing bacteria — even the armor-coated spores of microbes like anthrax — in minutes