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 Did James Franco share alien footage? Actor claims he's being 'silenced' Trump is BJ queen, wears baby diaper: Iran's Lego video goes viral 'Potential target for powerful strike': Trump threatens attack on Jabal al-Fass nuclear site Trump resumes war on Iran, notifies congress as Houthi strikes escalate Saudi conflict Indian expat in Abu Dhabi wins Dh30 million UAE lottery jackpot 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