Nanahara Takeshi pondered for a moment and slowly shook his head.
He wasn't actually blind, having already looked at a large number of photos from the crime scene. He had carefully analyzed the material of the rope and the way it was tied but hadn't found any useful clues—the most common nylon rope that could be bought anywhere in Japan, the knots were plain sailor's knots, known by many. Other than determining that the killer was right-handed, the killer left behind no distinguishing characteristics.
Therefore, there was no need to go to the scene again; one couldn't determine the killer's character or identity from a forest.
After thinking for a while and not finding other breakthroughs, he turned his gaze towards the other doors along the corridor, saying, "We'll take another look when we pass by the scene. Let's go over the cases from nine and ten years ago first."
It was at least certain that this path was a dead-end, no harm in considering other options later.
