In this Nov. 11, 2012 file photo, freelance British photojournalist John Cantlie poses with a Free Syrian Army rebel in Aleppo, Syria. The British photojournalist has appeared in several Islamic State propaganda videos delivering statements, purportedly from the Syrian border town of Kobani and Mosul, Iraq's second-largest city, likely under duress. He was kidnapped with American journalist James Foley in November 2012. An Islamic State group militant beheaded Foley in August 2014. AP