"Miss Hewitt," said the doctor, "was stabbed through the right temple just above the ear. I found that the weapon had pierced the temporal bone. The wound was apparently inflicted by means of a knife, the blade being driven straight through in a backward direction to a depth of some five inches. Now that, Mr. Coroner, is in itself peculiar. It indicates that the murderer, whoever he was, must have been of an uncommonly powerful physique. It would also seem that he must have held Miss Hewitt closely in his left arm and driven home the knife with his right hand. Do I make myself clear?"
"I don't yet see how exactly it was done," said Bennett doubtfully.
"It's quite simple," said the doctor, rising from his chair. "Inspector Protheroe is the victim. I put my arm round his shoulder. I raise
