"Don’t move," he said in a flat, cold tone. "I would hate to have to shoot you, sensei ." Lanier caught the Japanese expression for "teacher" and glanced at Babel, then back at Saigo. He wondered if Babel recalled more about his background with Saigo than before. Saigo’s mouth opened and, for a moment, no sound came out of it. Within moments, he managed to regain control of his voice.