Weapons of Mass Disruption 

"Weapons of Mass Disruption" appeared in the November 2002 issue of the Scientific American. FAS Strategic Security Project Director Michael A. Levi and FAS President Henry C. Kelly discuss the kind of scenario that could become a reality in the not too distant future. Defending ourselves from the threat of radiological weapons has become a grim necessity. The components and know-how needed to build a dirty bomb are available, and there are fanatics out there who just might do the deed.