Most of his weapons of massdestruction (which no one has seen evidence of) were given to him by the USA during the Iran-Iraq war.
Why is this not surprising?
The US is headed in a fascist direction and toward a police state!
The Patriot Act is the biggest threat to Freedom since McCarthy.
As for terrorists using R/C aircraft for their acts, when it would be feasible for them to do so, they will try to do it. However, I think it would be easier to use full scale aircraft or other more efficient means for the distribution of bio-chem materials or bombs or whatever.