Following the September 11 attacks in 2001 , a Federal Bureau of Investigation investigation revealed that 12 of the 19 hijackers trained or resided in Palm Beach County during the months prior to the attacks . Later that month , during the anthrax attacks , a letter containing spores of this substance was mailed to the American Media , Inc. building in Boca Raton . Three people were exposed to the anthrax , including Robert Stevens , a photo editor who later died after an infection induced by exposure
anthrax attacks
2001 anthrax attacks
Palm Beach County, Florida