Bioterror Antidote: Unfulfilled Prescription.

Botulism is a concern because the natural toxin can be easily produced and transported, making it a major threat. The Japanese cult Aum Shinrikyo tried and failed to disperse the botulinum toxin in the 1990s in downtown Tokyo and at U.S. military installations.
A far more serious threat would be if someone managed to get the toxin in the food supply, said Gerald L. Epstein, a senior fellow at the Center for Strategic and International Studies. An attack using botulinum toxin could cause hundreds of thousands of causalities, according to DHS.

Read the article