THE attacker who sent anthrax spores through the US mail last autumn may not
have stolen the powder made by the US Army’s Dugway Proving Ground in Utah. If
so, the attacker must have known how to “weaponise” the bug.
That’s the implication of what New Scientist has learned about the
latest attempts to distinguish between the anthrax cultures held by different
labs. But astonishingly, it appears that federal investigators have not yet
collected all the samples that could tell them where the attacker got the
bacteria in the first place.
Distinguishing between different labs’ holdings, or accessions, of the…
