Charges dropped against Miss. man in ricin case as FBI searches second home

Feds Search Second Home in Ricin Case

Authorities dropped charges Tuesday against the man they had accused of sending ricin-laced letters to the White House, a…

A letter that field-tested positive for the deadly poison

Suspicious Letter Sent to President Obama

Washington's ongoing ricin scare just went up a notch. Politico: A letter addressed to President Obama…