Roger Wicker

(AP Photo)

Ricin: A bioterror agent with few real victims

WASHINGTON (AP) — Ever since the anthrax and terrorist attacks of Sept. 11, 2001, the poison ricin has at times been lumped in with other bioterrorism agents because it comes from a relatively common plant and seems easy to make.

04/17/2013

(AP Photo)

Police said to have suspect in mind in ricin case

WASHINGTON (AP) — A letter addressed to President Barack Obama is being checked for a “suspicious substance,” a day after a letter addressed to a U.S. senator tested positive for poisonous ricin, the U.S. Secret Service says.

04/17/2013

(AP Photo)

Letter to Miss. senator tests for ricin

WASHINGTON (AP) — An envelope addressed to Sen. Roger Wicker of Mississippi tested positive Tuesday for ricin, a potentially fatal poison, authorities said, heightening concerns about terrorism a day after the Boston bombings.

04/16/2013

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