Two letters sent to the Pentagon and addressed to Secretary of Defense Mattis and Chief of Naval Operations John Richardson were found to contain ricin, a deadly poison made from castor beans. Another suspicious envelope addressed to President Trump is suspected of containing the substance. Both cases will undergo official

A twenty-nine-year-old Tunisian man was arrested on Wednesday for creating ricin, which prosecutors allege he was planning to use for an attack in the country that continues to combat extremism and suffer from competing political narratives of the extremism. No links to terrorist organizations have been found. In the past

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APPEARANCE: White powder. Can be prepared in liquid or crystalline form. DESCRIPTION: Ricin is an extremely toxic plant protein derived from the seeds of the castor bean plant (Ricinus communis). It is easily extracted from the castor bean meal that remains as a by-product of castor oil production. Ricin causes