<p>SARAJEVO, Bosnia and Herzegovina - During the past decade, hundreds of Islamic charities set up shop in war-ravaged Bosnia to rebuild homes, renovate schools, and feed, clothe, and shelter orphans and impoverished widows.</p>
<p>But for some of them, law enforcement officials say, the generosity disguised a nefarious agenda: to help Al Qaeda prepare for a holy war against the United States and its allies.</p>