“Of course he would. The blind theory won’t do. But the incident is an admirable starting-point for an investigation. After all, a bicycle is not an easy thing to conceal or to destroy. One other question. Did anyone call to see the boy on the day before he disappeared?”
“No.”
“Did he get any letters?”
“Yes, one letter.”
“From whom?”
“From his father.”
“Do you open the boys’ letters?”
“No.”
“How do you know it was from the father?”
“The coat of arms was on the envelope, and it was addressed in the Duke’s peculiar stiff hand. Besides,