[chance33_98]

Well, it is not on the CIA website anymore. But you can get the cached version :)

Terrorist CBRN: Materials and Effects
... extremist groups have a wide variety of potential agents and delivery means to choose from for chemical, biological, radiological, or nuclear (CBRN) attacks. ...
www.cia.gov/cia/publications/terrorist_cbrn/ terrorist_CBRN.htm - 19k - Cached

[Mo1]

Al-Qa'ida is interested in radiological dispersal devices (RDDs) or "dirty bombs."

Oh ok .. this we have heard about

I got this impression from this article, they were talking about a real nuclear bomb

With that said .. either one in the hands of terrorists is bad news