The Securities and Exchange Commission’s lawsuits against six top executives of Fannie Mae and Freddie Mac, announced last week, are a seminal event. For the first time in a government report, the complaint has made it clear that the two government-sponsored enterprises (GSEs) played a major role in creating the demand for low-quality mortgages before the 2008 financial crisis. More importantly, the SEC is saying that Fannie and Freddie—the largest buyers and securitizers of subprime and other low-quality mortgages—hid the size of their purchases from the market. Through these alleged acts of securities fraud, they did not just mislead investors; they deprived analysts, risk managers, rating agencies and even financial regulators of vital data about market risks that could have prevented the crisis. Read more in the Wall Street Journal here.