The MNF—Iraq site has a revealing captured document — the terrorists' strategy for Baghdad.  Here is an excerpt:

B)  Drive away the Shi'ahs and expel their businesses and workplaces from our areas.

The exploitation of this phase of displacement of the Shi'ahs from our areas, or from shared areas, is necessary, as this will reduce the eyes that they [TC: They refer to Coalition Forces] depend on to track us, but it is necessary to do this operation calmly and without fanfare so that we may plant terror in the hearts of those found in the areas in order to push them into either fleeing [TC: The area] or staying in their homes, likewise expel all merchants of gas, bread or meat or any person that that may be suspected of being susceptible for spying against us (and there is no doubt that that some of the villagers and construction workers arrive to work among us as spies) that is to say that this should be the priority in cleansing our areas.

Read the whole thing.

John B. Dwyer  5 06 06