Published April 29th, 2013 - 03:00 GMT The reason these brothers killed lies in their own warped sense of helplessness and duty to defend other Muslims. Tags:Sadiq Jalal al Azm LatestPopular Pezeshkian met Mojtaba Khamenei in the backseat of a tinted car Kylie Jenner nude Vanity Fair images ignite online mixed reactions Anger in Iraq as police officers accused of raping female detainee at police station Russian drone manufacturer survives assassination attempt Plane collides with 'unknown object' over Germany Loading content ... Subscribe Sign up to our newsletter for exclusive updates and enhanced content Subscribe Now Subscribe Sign up to get Al Bawaba's exclusive celeb scoops and entertainment news