Letter with ricin sent to Miss. senator

Name: Letter with ricin sent to Miss. senator
Uploaded: 2013-04-17T04:30:18Z
Duration: 34 s
Description: An envelope addressed to Sen. Roger Wicker of Mississippi tested positive Tuesday for ricin, a potentially fatal poison, congressional officials said, heightening concerns about terrorism a day after a bombing at the Boston Marathon. (April 16)

An envelope addressed to Sen. Roger Wicker of Mississippi tested positive Tuesday for ricin, a potentially fatal poison, congressional officials said, heightening concerns about terrorism a day after a bombing at the Boston Marathon. (April 16)