GSE observers say that the Federal Housing Finance Agency’s Office of Inspector General appears to be blurring the line between constructive critic and backseat driver following the OIG’s most recent report which takes the agency to task for deficient oversight of Fannie Mae’s and Freddie Mac’s business decisions. In a report issued last week, the OIG determined that the FHFA has not established criteria or policies to ensure a rigorous review of GSE business decisions.