English: California Attorney General Kamala Harris. California Attorney General Kamala Harris acknowledges state-federal collaboration in the lawsuit against S&P.Today's action was filed in the Central District of California, home to the now defunct Western Federal Corporate Credit Union (WesCorp), which was the largest corporate credit union in the country. Following the 2008 financial crisis, WesCorp collapsed after suffering massive losses on RMBS and CDOs rated by S&P.