CNN Anderson Cooper 360 May 30, 2013 00:04:00
Of the compound, how competently it was mixed. they'll analyze whether the two letters, whether it was from the same batch of mixture of the compound of ricin. all those things will help investigators lead down the path to who and once you determine the who, you'll be able to understand the why. >> right. san gentleman, how dangerous is this stuff, ricin? >> it can be can very dangerous. it's a very potentially toxic substance. a couple things that are important to note, is that in and of itself, this is a poison that comes from caster bieeans,s a lot of people know and you can get that ricin,...
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