Yes, the idea of her solving this case sounded improbable. She was a sixteen-year-old from Pittsburgh. This case was decades old. Everyone had tried to solve it. The FBI hadn’t been able to do it. The scores of serious (and not serious) investigators had not been able to do it. Thousands of people obsessed over it all the time. Ellingham himself, a genius, had tried to find out what happened and the search had killed him. You didn’t just solve the Ellingham Affair.