It was September 18, 2001, just seven days after al-Qaeda hijackers destroyed the Twin Towers. In the early morning darkness, a lone figure dropped several lett

For the first time, Pulitzer Prize–winning journalist David Willman tells the whole gripping story of the hunt for the anthrax killer who terrorized the count

The 2001 anthrax letter attacks in the United States killed five people and wounded dozens. They were widely blamed on extremist Muslims and their backers and u

This fourth edition of the anthrax guidelines encompasses a systematic review of the extensive new scientific literature and relevant publications up to end 200

Many security experts believe that the next act of widespread terrorism will likely come from a weapon of biochemical means. In Anthrax: Bioterror as Fact and F