Detailed text transcripts for TV channel - MSNBC - 20130417:15:32:00
Now, we have seen events in the past, craig, ice ricin is made tr castor beans and someone will just take dried beans and grind them up and put them in a letter. now, that will test positive for ricin even though there's no ricin there. i guess it would be like the difference between poppies and opium. they're related, but it's not the same thing. so you won't know whether it's ricin until later today i'm told is the earliest the test results would come in. that's thing one. thing two is that federal inv investigators believe they know who sent these letters. they say it's someone who has sent...
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