This report provides the Commission with an overview of the U.S. Nuclear Regulatory Commission (NRC) Office of Investigations' (OI) activities, mission and purpose, along with the framework of case inventory with highlights of significant cases that the NRC OI completed during Fiscal Year 2012 (reference SRM COMJC-89-8, dated June 30, 1989). This is the 24th OI Annual Report.taff to proceed with the development and implementation of the incentives for licensees to maintain an effective CAP.