Michael Cash wrote:

> The investigators believed the rare poison used in the murder could
> only have been obtained by certain people, such as those working for
> the notorious Unit 731, a secret organization within the army believed
> to have conducted experiments on human victims during the war in an
> effort to produce chemical arms and other weapons of mass destruction.
> 
> The supporters claim the poison was not potassium cyanide as the
> courts ruled, because the poisoning symptoms weren't immediate.

Does anything say anywhere what the poison *was*, rather than only what
it *wasn't* ?  As a microbiologist/chemical engineer, I'm kinda curious
about that point...

-- 
Curt Fischer