A third person has tested positive for anthrax and the case has become the subject of a criminal investigation. Thebacteria has already killed one man and put a co-worker in the hospital.

Meanwhile, unnamed sources close to the FBI yesterday said the unusual characteristics of the particular anthraxbacteria that killed a man in Florida suggest it was produced in a laboratory, and that it may have been produced atan unnamed lab in Iowa.

The CDC has said it has virtually ruled out environmental causes as the source.

Guests:

• William Blum, former state department official and author of ??Killing Hope CIA Interventions sinceWWII and the article “Anthrax for Export” in the Progressive.
• John McDonald, news reporter who has written on Plum Island, a viral research facility, and biowarfare.