· The letter anthrax was made after 1980 (when the Ames strain used was obtained) using a process similar to the secret, optimal US process. If the anthrax was weaponized by the perpetrator himself, there may be some differences from anthrax weaponized by the government, depending on the availability of materials to the perpetrator and the conditions of preparation.
4. Other Clues
· Scientists formerly at USAMRIID say that it would have been easy for a scientist working with anthrax to remove a sample of the Ames strain from the lab. Only a miniscule amount would be needed, and security has been lax.
· On the other hand, experts believe that it would be extremely difficult to steal 10g of weaponized anthrax from a government lab. Thus, the perpetrator very likely grew and weaponized the letter anthrax himself.
· There was only one week between Sept 11 and Sept 18, when the first two letters (and probably another letter, never found, to AMI) were postmarked. This suggests that the anthrax was already in hand, and the attack largely planned, before Sept 11.
4. Other Clues
· Scientists formerly at USAMRIID say that it would have been easy for a scientist working with anthrax to remove a sample of the Ames strain from the lab. Only a miniscule amount would be needed, and security has been lax.
· On the other hand, experts believe that it would be extremely difficult to steal 10g of weaponized anthrax from a government lab. Thus, the perpetrator very likely grew and weaponized the letter anthrax himself.
· There was only one week between Sept 11 and Sept 18, when the first two letters (and probably another letter, never found, to AMI) were postmarked. This suggests that the anthrax was already in hand, and the attack largely planned, before Sept 11.