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The inspector general’s report says that certain issues that arose during the investigation have been referred to other inspectors general. The report did not provide further details. The matters were not disclosed in Friday’s report because doing so might prejudice other investigations, the authors stated.

The report also says that policy and procedural issues arising from the investigation will be addressed in a separate report.

The investigation was launched at the insistence of Rep. Peter T. King, New York Republican, after Freedom of Information Act requests from the conservative advocacy group Judicial Watch revealed the effort by Obama administration officials to help the filmmakers.

Mr. King was not available for comment by press time Monday.