Keywords: October 2003 ricin letter metal vial.jpg en An FBI photograph of the small metal vial included with a ricin contaminated letter that was discovered on October 15 2003 in Greenville South Carolina The vial contained ricin powder The letter was addressed to the U S Department of Transportation FBI photo via http //ftp cdc gov/pub/epr/planning/prepconf2005/presentations/cross_cutting_goals/surveillance/DanielDrociuk pdf CDC report Federal Bureau of Investigation c October 15 2003 Public domain see license An FBI photograph of the warning included with a ricin contaminated letter that was discovered on October 15 2003 The letter was addressed to the U S Department of Transportation PD-USGov 2003 ricin letters |