The whole term “weaponization” of anthrax is extremely complex and has been used/abused by the media (a great deal in the media about the Amerithax case is wrong.)
Good general reading is http://www.anthraxinvestigation.com
Be advised the author does not believe AQ or Iraq were involved; there’s quite a group of people that go into a blind fit of rage at the slightest suggestion that AQ or Iraq were not behind the attacks.
This is beginning to smell like it's an extention of the conspiracy theory that pointed the finger at Dr. Hatfill.
It's all based upon what ONE "law enforcement source" told Fox News. No confirmations.
But it should be very interesting to see how this all plays out.