From 2011: Al Qaeda trying to harness toxin for bombs, U.S. officials fear Yemen affiliate seeks castor beans to make ricin for attacks on America Link to original article below: By ERIC SCHMITT and THOM SHANKER via The New York Times American counterterrorism officials are increasingly concerned that the most dangerous regional arm of Al Qaeda is trying to produce the lethal poison ricin, to be packed around small explosives for attacks against the United States. For more than a year, according to classified intelligence reports, Al Qaeda's affiliate in Yemen has been … [Read more...]