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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 ...
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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 ...
A letter addressed to the president that was intercepted before it reached the White House tested positive for the deadly poison ricin, officials said.
The poison used in both cases was ricin. Both assassination attempts are believed to have been organized by the Bulgarian Secret Service of the time of the Cold War with the assistance of the KGB. [2] Such an umbrella was intended to be used in the assassination of Pallo Jordan and Ronnie Kasrils by the South African Civil Cooperation Bureau ...
Axel Rudakubana, 18, will appear at Westminster Magistrates’ Court by video link on Wednesday charged with production of a biological toxin called ricin What is ricin? Poison which Southport ...
Thomas Lewis Lavy (December 18, 1941 – December 23, 1995) was an American farmer who attempted to cross the Canada–US border into Canada from Alaska with several firearms, ricin toxin, and $89,000 in cash in 1993. He was turned away at the border, and the toxin impounded. Lavy claimed at the time that the ricin was to poison the coyotes on ...