To continue reading up to 10 premium articles, you must register , or sign up and take advantage of this exclusive offer: In this photo obtained Tuesday Jan. 3, 2017, undated photo of a man believed to be the gunman who killed dozens at an Istanbul nightclub, films himself as he wanders nearby to Istanbul’s Taksim square. An assailant armed with a long-barrelled weapon, opened fire at the nightclub in Istanbul’s Ortakoy district during New Year’s celebrations, killing dozens of people and wounding many others.