Some liberal interest groups are questioning whether the RMBS working group formed by federal and state enforcement agencies to coordinate securitization investigations is moving fast enough. In an email circulated earlier this week, CREDO, a progressive network, wrote that the Department of Justice has yet to deliver on its promise of 55 investigators to the RMBS working group. As federal and state enforcement agencies were wrapping up the contentious $25 billion settlement with five mortgage servicers in late January, U.S. Attorney General Eric Holder announced a new task force designed to “stream...