"The woman raised her voice. "I said, what are you doing?" Tommy kept typing and looked up. "Pardon me, I was ignoring you. What did you say?" "What are you doing?" She repeated. "It's a note. Let me read it for you. 'Couldn't anyone else see that they were all slaves of Satan? I had to cleanse the world of their evil. I am the hand of God. Why else would security have let me into the building with an assault rifle in my suitcase? I am a divine instrument.' " Tommy paused and looked up. "That's all I have so far, but I'll guess I end it with an apology to my mom. What do you think?" She smiled as if hiding gas pains and handed him an envelope."