7 FBI HEADQUARTERS J. EDGAR HOOVER BUILDING WASHINGTON, D.C. 11:30 P. M. Despite the late hour, FBI Assistant Director Ronald Thompson was still hard at work. Papers were scattered in disorderly array across his large desk, demanding his urgent attention. But at the moment, his attention was riveted elsewhere. The huge building was nearly empty. Even his dedicated secretary had finally gone home. Who could possibly be seeking an audience with him now? He blinked in surprise as an elderly white-haired man stepped into his private office, and softly closed the door behind him. “I apologize for intruding at this late hour, Agent Thompson.” His aged voice was quiet, and so devoid of any identifying accent that Thompson’s well-honed antennae began quivering. “My name is…well, you may cal

