Richard Butler, the former chief United Nations armsinspector, estimates that if a larger type of warhead that Iraq has made and used in the past were filled with VX (an even deadlier nerve agent) and launched at a major city, it could kill up to one million people.
In a key change, the inspector general would be housed within the city's existing Department of Investigation, which acts as an inspector general for many other arms of the city government, Quinn said.