The CIA said it believes al Qaeda will rationalize the use of chemical, biological or radiological weapons based on the large number of casualties the United States may inflict in its military campaign.

CNN: Terror alert level raised to 'orange'

The annual report, the first since the September 11 attacks, also noted growing U.S. concerns that terrorist groups could use chemical, biological, radiological or nuclear weapons for future attacks.

CNN: Report lauds global effort in terror war

Recent terrorist plots have been of a different scale to the kind of terrorism Britain has faced previously, in that they often involve suicide bombings with the potential threat of chemical, biological, radiological and nuclear weapons.

BBC: Key points: Brown speech

Chief among these interests are: counter-terrorism, disposal of Soviet-built chemical and biological weapons, security of nuclear and radiological materials, arms control, nonproliferation, and the responsible withdrawal of U.S. and NATO forces from Afghanistan.

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It is a matter of time before vastly more destructive weapons of mass destruction (chemical, biological, radiological or nuclear) become available to jihadists who believe that, pursuant to Shariah, they are fulfilling Allah's will when they kill "infidels" or otherwise force them to submit to Islam.

CENTERFORSECURITYPOLICY: A virus called 'Shariah'