Feds: Ricin traces found in martial arts studio linked to suspect

Traces of ricin were found in a martial arts studio used by the man accused of sending poisoned letters to President Obama and two other officials, and on a dust mask he chucked in a trash bin, FBI investigators revealed Tuesday.An affidavit outlining the evidence against James Everett Dutschke also alleges he ordered castor beans — where ricin originates — on eBay in November and December. The Mi...    

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