Last Updated: Friday, April 19, 2013, 00:14
Paul Kevin Curtis was arrested on Wednesday by the FBI at his home in Corinth, Mississippi.
Last Updated: Thursday, April 18, 2013, 22:20
A man accused of mailing letters with suspected ricin to national leaders believed he had uncovered a conspiracy to sell human body parts.
Last Updated: Wednesday, April 17, 2013, 09:15
US authorities intercepted a letter that contained the deadly poison ricin and was bound for Senator Roger Wicker`s office, officials said on Tuesday.
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