Keith's unpleasant smile grew even wider. I struggled not to flinch away from his breath. "Oh, a friend of yours told me you were hiring muscle," he said casually. "He even told me who, isn't that nice? So of course I knew what you were up to." He hesitated, then said mock-solicitously, "Read-only single-scan viruses don't cut it anymore. Thought I should tell you that."