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Ricin (/ ˈ r aɪ s ɪ n / RY-sin) is a lectin (a carbohydrate-binding protein) and a highly potent toxin produced in the seeds of the castor oil plant, Ricinus communis.The median lethal dose (LD 50) of ricin for mice is around 22 micrograms per kilogram of body weight via intraperitoneal injection.
In 2003, a package and letter sealed in a "ricin-contaminated" envelope was intercepted in Greenville, South Carolina, at a United States Postal Service processing center. [16] Ricin was detected in the mail at the White House in Washington, D.C., in November 2003. The letter containing it was intercepted at a mail handling facility off the ...
Despite the potentially deadly nature of the poison, no one was exposed to, injured by, or killed by the ricin. [8] The Greenville facility where the letter was found was also declared ricin-free in the ensuing weeks. [9] In addition, the letter had no delivery address and no postmark. [10]
Axel Rudakubana, 18, will appear at Westminster Magistrates’ Court by video link on Wednesday charged with production of a biological toxin called ricin
A letter addressed to the president that was intercepted before it reached the White House tested positive for the deadly poison ricin, officials said.
A former federal employee, ex-Marine and militia member from Virginia pleaded guilty last week to possessing ricin, a deadly toxin, which he had manufactured himself. Meanwhile, the arrest of the ...
April 2013 ricin letters: Ricin: 0 0 Washington, D.C., United States: An envelope that preliminarily tested positive for ricin was intercepted at the US Capitol's off-site mail facility in Washington, D.C. According to reports, the envelope was addressed to the office of Mississippi Republican Senator Roger Wicker. James Everett Dutschke [8] [9]
On April 17, 2013, FBI agents detained a Corinth, Mississippi, man on suspicion of mailing the ricin-laced letters. [4] [5] [10] All charges were dropped however, and he was released on April 23, 2013. Federal investigators reported that they could find no evidence linking him to the letters. [11]