After a three-year investigation, Michigan Attorney General Dana Nessel announced that her office was “forced to close” its inquiry into Michigan State University’s handling of former school doctor Larry Nassar after the school declined to waive attorney-client privilege for approximately 6,000 documents.After a three-year investigation, Michigan Attorney General Dana Nessel announced that her office was “forced to close” its inquiry into Michigan State University’s handling of former school doctor Larry Nassar after the school declined to waive attorney-client privilege for approximately 6,000 documents.