This file photo posted on the website freejamesfoley.org shows journalist James Foley in Aleppo, Syria, in July, 2012.In a horrifying act of revenge for U.S. airstrikes in northern Iraq, militants with the Islamic State extremist group have beheaded Foley — and are threatening to kill another hostage, U.S. officials say. (AP Photo/freejamesfoley.org, Nicole Tung, File)
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