More Ricin News

UPDATE: In a Stand-Up Talk to employees on May 30, the USPS said, “A third suspicious letter — this one addressed to the President of the United States and showing characteristics similar to the two letters found earlier this week — has been identified, isolated and sent to a laboratory for testing today.” Preliminary tests of the earlier letters tested positive for ricin. Law enforcement authorities are investigating.

In a related development, Bloomberg reported that FBI agents investigating a mid-May ricin incident in Spokane WA said suspicious letters also were sent to President Obama, the Central Intelligence Agency and a U.S. Air Force Base. Previous reports indicated that ricin-tainted letters were sent to the Spokane Post Office and a federal judge. According to the FBI, the letter to President Obama was intercepted and found to contain ricin; the letter to the Air Force Base is undergoing testing, and the letter to the CIA hasn't been found, Bloomberg reported.