6:45 AM on an ordinary Tuesday in Salt Lake City, Utah, a father and son lugged a heavy jewelry case into the lobby of a high-rise building. They ran a jewelry store together on the third floor, and had come in early to set up their new display. They heard the lobby door open behind them and turned to see a man holding a cardboard box. The man said he was making a delivery and asked where the elevator was. The father and his son were heading that way, too — so, all three got on the elevator together. As they stood, the father looked at the box the man was carrying. There was a name..