for the congressional wail, for fbi that has a zip code, head quarters, and suspicious letters like than do happen on a regular basis. there is such a high concern, everything is heightened. they're still examining the letter to the senator. >> forgive me for interjecting. we're getting new information. tom, just stand by been we want to go straight to joe johns, what are you learning? >> the federal bureau of investigation is expected to release a statement shortly that i'm told will relate to an investigation of multiple letters with suspects ricin.