CNN: Ricin found in envelope sent to U.S. Capitol
WASHINGTON - An envelope sent to a mail facility at the U.S. Capitol tested positive for ricin on Tuesday.
"After the envelope tested positive in a first routine test, it was retested two more times, each time coming up positive, the law enforcement source said," according to CNN. "The envelope was addressed to a U.S. senator, though the sources would not say which one."
The Associated Press reports that the letter was addressed to Sen. Roger Wicker. of Mississippi.
We will update this story as more information becomes available.