Terrorists may have attacked spinach crops...

At least if you read this article.

There is no evidence of tampering in the outbreak, FDA spokeswoman Susan Bro said Monday. That leaves a broad range of other possible sources, including contaminated irrigation water that’s been a problem in California’s Salinas Valley. The area on California’s central coast produces much of the U.S. spinach crop.
Meanwhile, the FBI is monitoring the situation, said spokesman Rich Kolko. He called it a routine and precautionary measure, not an indication of suspicious activity.

Just those few lines raise the spectre of terrorists - or am I reading to much into it? What's next, a link between lung cancer, smoking and Osama?