Tsunamis, earthquakes, floods. Islamic aid groups were quickly on the scene in Indonesia and Pakistan to provide disaster relief. Muslim NGOs have long aided their spiritual brothers, and are now playing a larger role on the global humanitarian stage. But since 9/11, there has been a growing fear that Muslim charities are providing support to Islamic extremists along with succor for the poor. We explore the growth of Muslim aid organizations across the globe, and examine the care they provide and the concerns they raise.