CNN The Lead With Jake Tapper April 17, 2013 20:21:00
Found plant. we derive catsor oil from the catsor bean and in the course of processing one of the unused by products is ricin. when ricin is purified and you have to have some laboratory knowledge to do this, purified and produced in a light powder form that can float and be inhaled, it can be highly dangerous, lethal. one or two grains of salt would be the equivalent size of the amount of ricin that could be lethal to a human being if the person iningests or inhales it. >> incredible. so how common are ricin attacks in the u.s.? >> the actual attacks, very, very rare. there had been instances...
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