Medical experts point out that ricin is nowhere near as powerful a killer as anthrax. To equal one kilogramme of anthrax, four metric tons of ricin would be needed. On the other hand, anthrax can ...

An Arkansas tree cutter who made jars of the lethal poison ricin on his rural property was sentenced to eight years in prison for possessing a biological agent infamously known for being one of ...

No one has been arrested in connection with the anthrax case. Authorities stressed the ricin results were preliminary and that field tests often prove unreliable. They also pointed out that though ...

Jason Kale Clampit, 44, was sentenced for possession of ricin, which he had made to set traps for trespassers, prosecutors said. By Johnny Diaz An Arkansas man who produced jars of the lethal ...

Curtis' Facebook posts include both the sign-off used in the ricin letters to Wicker and Obama ... to Curtis is a big shift from the 2001 anthrax letters. After seven years, the feds were ...

An Arkansas tree cutter who made jars of the lethal poison ricin on his rural property was sentenced to eight years in prison for possessing a biological agent infamously known for being one of the ...

The man, Jason Kale Clampit, 44, of Winslow, Arkansas, who made his own ricin, a poison that is extracted from castor beans, was sentenced Friday to 96 months in prison without the possibility of ...