Where did the money go in Iraq?

The well-publicised Iraq oil-for-food scandal which the UN is embroiled in may eventually be seen as small compared to the financial unaccountability under the US-led authority that ruled the country and the subsequent interim government. Many billions of dollars were unaccounted for, and dubious contracts uncovered, helping to explain the lack of reconstruction work. 

WHEN the subject of corruption in Iraq is brought up, most people relate this to the oil-for-food scandal which the United Nations is embroiled in.