New find reignites anthrax probe

The FBI has developed a new theory on a central mystery of the 2001 anthrax attacks after finding evidence in a Frederick, Md., pond that may suggest how an ingenious criminal could have packed deadly anthrax spores into envelopes without killing or sickening himself, according to sources close to the investigation.

Remember that anthrax scare? A new theory sounds like the stuff of movies. Check it out.