The term "weaponization" in regards to Anthrax is essentially meaningless.
Probably the best overall source of info on the case is
http://www.anthraxinvestigation.com/
Even if you disagree with his opinions (I know people here generally have a brain aneurysm over even the slightest suggestion that the attacks were not perpetrated by either Iraq or Al Queda...he is very critical of the focus on Hatfill, however) it's still a good timeline (much mythology over the timeline) and basic info.
?.......USAMRID-Islamic-U.N. Division?
This has nothing to do with the 'INS'.....
/extreme sarcasm
Romans 10:17