Just after dark they rolled in the television where the murderer would appear. It was placed at the front of the lecture hall, slightly off center so the students in back could see. Two men wearing maintenance uniforms checked the satellite feed and the microphones, then disappeared as silently as they had come. It was now five minutes before the class was to begin, and everything was ready.
This was the first class of its kind, and its novelty—or perhaps its mystery—made it the most talked-about ever offered at tiny Jasper College. As mandated by the school president, there were nine students in the...