Anthrax was used in a deadly assault on the USA just days after 9/11, with the disease weaponised for its brutalising effects on people.
Netflix is exploring this disturbing act in its new documentary, The Anthrax Attacks: In the Shadow of 9/11, which is available on the platform now.
It explores the true events which transpired after the world-changing terrorist attack, in which letters containing fatal anthrax spores sparked panic and tragedy in the USA.