In February 2011 , a 16-member panel of scientists led by Gast released a report after reviewing the scientific evidence related to the FBI investigation of the anthrax letters mailed in the aftermath of the September 11 attacks in 2001 . Anthrax spores contained in the letters were mailed across the country and were responsible for killing five people and sickening 17 others
anthrax letters mailed
2001 anthrax attacks
Alice Gast