FILE - In this July 7, 2016 file photo, House Oversight and Government Reform Committee Chairman Rep. Jason Chaffetz, R-Utah, right, confers with the committee's ranking member Rep. Elijah Cummings, D-Md. on Capitol Hill in Washington. Congressional investigators are demanding documents and contacting witnesses in a wide-ranging probe of the Defense Department’s troubled anti-propaganda efforts against the Islamic State. (AP Photo/J. Scott Applewhite, File)
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