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 Trump may meet Zelensky to discuss peace with Russia Why is Trump filing a $15 billion lawsuit against The New York Times? U.S. and China reach framework deal on TikTok Arab-Islamic summit strikes back at Israel with outrageous condemnations Spain cancels €700m Israeli arms deal amid growing rift over Gaza war 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