From Jeanne Guillemin, one of the world's leading experts on anthrax and bioterrorism, the definitive account of the anthrax investigation It was the most complex case in FBI history. In what became a seven-year investigation that began shortly after 9/11--with America reeling from the terror attacks of al Qaeda--virulent anthrax spores sent through the mail killed Bob Stevens, a Florida tabloid photo editor. His death and, days later, the discovery...