Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. 'Jihadi John' Unmasking Raises Questions for British Security Services by Henry Ridgwell The identity of the masked man who has appeared in several Islamic State videos showing the beheading of foreign hostages has been widely reported as Kuwaiti-born Briton Mohammed Emwazi. He was previously known to British security services -- and questions are now being asked of why they did not prevent him from traveling to Syria. Henry Ridgwell reports from London. __________________________________________________________________ [1]http://www.voanews.com/media/video/jihadi-john-unmasking-raises-ques tions-for-british-security-forces/2661931.html References 1. http://www.voanews.com/media/video/jihadi-john-unmasking-raises-questions-for-british-security-forces/2661931.html