This investigation has the potential to be a Mother of All Nightmares situation for the banks for a couple of reasons. For one thing, the decision to go after the securitization process is a total prosecutorial bullseye. This is the ugly heart of the wide-scale fraud scheme of the bubble era. Again, the business model during this time was a giant bait-and-switch scam. Sleazy lenders like Countrywide and New Century first created huge masses of bad loans, committing every conceivable kind of fraud to get people into loans (from doctoring income statements with white-out to phonying FICO scores to engineering fake appraisals). They then moved the bad loans quickly to the big banks, which pooled them and chopped them up (this is the “securitization” process), sprinkled hocus-pocus math on them, and them sold them to suckers around the world as AAA-rated securities.