An investigation was opened in the United States on Tuesday, after two envelopes containing the deadly poison ricin were intercepted at the Pentagon. The envelopes were reportedly intercepted at a mail screening facility located in the vicinity of the headquarters of the US Department of Defense in Washington, DC. One of the envelopes was addressed to US Secretary of Defense James Mattis, while the other was addressed to Admiral John Richardson, who serves as Chief of Naval Operations. According to US news media, the envelopes were found to contain a powder-like substance. Upon discovery, the envelopes were secured by members of the Pentagon Force Protection Agency, the US Department of Defense’s law enforcement body that is responsible for safeguarding the Pentagon complex.
On Tuesday, the Federal Bureau of Investigation announced that the substance inside the envelopes had been examined by its technicians and had tested positive for the deadly poison ricin. Ricin is a naturally occurring toxin found inside the seeds of castor oil plants, known commonly as castor beans. Though mostly harmless in its natural state, the toxin can be processed and effectively weaponized in the form of pellets, liquid acid, mist or powder. If it finds its way into the human body, through ingestion, inhalation or injection, it can kill in fewer than 48 hours. Death usually occurs as a result of organ failure and internal bleeding, which lead to a collapse of the circulatory system. There is no known antidote for ricin poisoning.
On Tuesday afternoon, parts of the Republican Senator Ted Cruz’s campaign office in Houston, Texas, were shut down, after two staff members came in contact with what was described as a “white powdery substance” inside an envelope. The staff members were rushed to the hospital, but tests carried out later that day showed that the substance was non-toxic.
The FBI said on Tuesday that its technicians would carry out further tests on the substances found at the Pentagon and at Senator Cruz’s office, in order to confirm the initial findings. It also said that there would be no further announcements until the tests are completed. Meanwhile, the Pentagon’s mail screening facility remains under quarantine.
► Author: Ian Allen
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