(CIDRAP News) The FBI this week released a photo of a letter addressed to the White House last fall that contained ricin and threatened to "turn D.C. into a ghost town" if new trucking regulations went into effect.
The letter stated, "If you change the hours of service on January 4, 2004 I will turn D.C. into a ghost town. The powder on the letter is RICIN have a nice day Fallen Angel."