If you read the report there is a lot speculation and hedging on figures. The press is just reporting a figure on the high end of their estimates. There is also

If you read the report there is a lot speculation and hedging on figures. The press is just reporting a figure on the high end of their estimates. There is also a lot of information on their methodology. They say it’s hard to figure out exactly how much is laundered and what effect it does have on the housing boom. They actually say that supply and demand plays a huge factor too.