We have a piece coming shortly with a brief interview with the guy the feds now seem to be investigating in the case after releasing Kevin Curtis earlier this afternoon. But let me give you a brief update.
What focused the government's attention on Curtis in the first place was a tagline he frequently uses on social media. That tagline was the signature on the ricin-laced letter. So if it wasn't Curtis who sent the letters, it really, really seems like someone else was trying to frame him.