“The simultaneous selling of securities to customers and shorting them because they believed they were going to default is the most cynical use of credit information that I have ever seen,” said Sylvain R. Raynes, an expert in structured finance at R & R Consulting in New York. “When you buy protection against an event that you have a hand in causing, you are buying fire insurance on someone else’s house and then committing arson.”

Read on to find out how Goldman Sachs created and sold securities – they thought would lose money – to investors.