Ron, so far, I have not been able to find anything on Matthew Boutte working at WAMU. I did find where he worked at Sterling Bank and then I remembered that Sterling Bank sued JPMorgan Chase and Washington Mutual Bank. See below.
ND9
************************ Sterling Bank & Trust, FSB v. JP Morgan Chase Bank, N.A. et al
Plaintiff: Sterling Bank & Trust, FSB Defendant: JP Morgan Chase Bank, N.A., Washington Mutual Bank, FA, Washington Mutual Bank, FSB and Washington Mutual Bank Case Number: 2:2010cv14486 Filed: November 10, 2010 Court: US District Court for the Eastern District of Michigan