Case 344: Amerithrax

In the tense weeks following the September 11 terror attacks in 2001, a new and invisible threat emerged across the United States. Letters laced with weaponised anthrax began arriving through the mail, infecting ordinary people and spreading fear nationwide.

As the possibility of bioterrorism gripped the country, a massive federal investigation codenamed Amerithrax was launched to uncover who was behind the attacks…