Citigroup, Inc. was recently stung with a $158.3 million settlement and compelled to admit culpability to settle with the Justice Department and the Department of Housing and Urban Development after a former CitiMortgage employee raised concerns about the lender’s allegedly reckless mortgage lending practices. The former employee, Sherry Hunt, filed a private whistleblower lawsuit last August under the False Claims Act, alleging that Citi subverted FHA to push through poorly underwritten mortgages for a higher profit margin. Two weeks ago, the U.S. government joined the suit, seeking...