Chapter 37

“What _is_ circumstantial evidence? It is the evidence on which we rely every day of our lives. Your door bell rings; you have not seen anybody at the door, but you know that somebody is there, ringing that bell. That’s circumstantial evidence.” He leaned back and spoke more quietly. “This cane,” he said, “the one with the hidden blade. How wide was that blade?” “It was very narrow; perhaps a half inch at the widest part It tapered.” “And it had a double cutting edge?” “I don’t remember.” “You haven’t seen it since…