Federal Housing Finance Agency.FHFA Office of Inspector General. FHFA’s Supervision of Freddie Mac’s Controls over Mortgage Servicing Contractors Faulted. The Federal Housing Finance Agency’s Office of Inspector General found some areas in which the Finance Agency could improve its supervision of Fannie Mae’s and Freddie Mac’s controls over its mortgage servicing contractors. “FHFA has not clearly defined its role regarding oversight of servicers, sufficiently coordinated with other federal banking agencies about risks ...