*/. The smaller the relative standard error, the more precise the estimate. An official website of the United States government Duties Description STANDARD DUTIES:The Investigative Officer 3 Unemployment Insurance in the Office of Special Investigations will: Supervise the Major Case Unit and oversee the activities of multiple MCU investigators and investigations into allegations of identity theft and other fraud Provide training and mentoring to Investigative Officers 1 and 2 working on MCU cases throughout the state Serve as liaison with USDOL-OIG, DOJ and other Department of Labor divisions Review and approve all cases being referred for criminal prosecution and coordinate investigators work on criminal matters Report to Director and Deputy Director of OSI. [CDATA[/* >