Michael Peters exited the elevator, and onto the office floor. It was a crispy autumn morning. The sun was shining through the windows. Michael's co-workers were either chatting, eating breakfast, or getting some coffee. But, not Michael.
He wrapped his jacket around himself, concealing the semi-automatic gun he had hidden in his pocket. A few people glanced at him, but paid no serious attention to him as he crossed the office floor. Michael just went to his office without a word and closed the door quietly. He then shut all the blinds and sat at he desk. He took a deep breath. Michael thought of an attack plan. 'Go around the outside, round everyone up. End them quickly and get the hell out.' Michael pulled out the gun and stared at it for a long time.
Finally, Michael rose from his desk and walked to the door. He then, slowly opened it.....