That is my guess as well. In Germs, by Judith Miller, (2001), the ease with which a Bio-Weapons lab can be set up is illustrated nicely. A halfway decent chemist with adequate funds can set one up using of-the-shelf dual-use equipment right here in the US. No need to smuggle anything across the border.
Couple that with reports of Iranians being nabbed at the mexican border on a regular basis, and things could get very intersting in the not-so-distant future.
Well we saw that the invasion of Iraq only made the war less safe. So let’s hope the Administration shows common sense this time and does better at intelligence analysis.