The doctor frowned. "It puzzles me," he said. "Of course it was made by a bullet, but it should have partially closed up. It goes right into the brain. You say you know nothing about it. I believe you, but I think the authorities should be notified at once. Someone will be wanted for manslaughter, unless"—he paused—"unless the wound was self-inflicted. What you tell me is curious. That he should have been able to walk about for hours seems incredible. The wound has obviously been dressed, too. There is no clotted blood at all."