JIDDAH, Saudi Arabia -- Muslim forces were gathering near a small town in Bosnia, and commanders were moving fighters to the front. The man in charge wanted the very best soldiers available, so he handpicked six of his favorites and ordered them to the area immediately. The mission was indisputably military, but the man calling the shots was not a captain with the army or a general back at command headquarters. He was the person helping finance the battle: Adel Batterjee, a wealthy Saudi businessman aiding the operation 2,000 miles away from his home in Saudi Arabia. This was not...