Then add in the fact that Malvo left his new school in Florida (after about 2 mos) on the same day that Stevens' death was announced and confirmed as Anthrax. 4 days later, (Oct 9), the last two letters were mailed. Malvo didn't arrive on the west coast until Oct 19.
I don't think they were the anthrax killers, but the evidence is there that it was tied to the Moslem terrorists who flew the 9-11 planes. There were many connections to the first anthrax discovered in Florida and the 9-11 terrorists who lived down there.
Now, we find out that the Iraqi's have a superior capability to turn anthrax into a bioweapon than either the US or Russia. Yet, the FBI is still hounding that poor guy.
I think they know it was Moslem terrorists but they "don't want to alarm the public." Just like this case, they ignore the fact that these two are Moslem extremists.