"And he used it. He cleaned out his pocket, afraid somebody else would track him to it, and he hid the wretched ore somewhere. Then he began to dicker. He approached the Bellaver Corporation, and we heard of it and approached _him_. He tried playing us off against Bellaver to boost the price, and suddenly he was dead and you were accused of his murder. We thought you really had done it, because no Titanite turned up, and we knew Bellaver hadn't gotten it from him. We'd watched too closely. It wasn't until some years later that one of our people learned that MacDonald had threatened a little too loudly to sell to us unless Bellaver practically tripled his offer--and of course Bellaver didn't dare do that. A price so much out of line even for Titanite would have stirred all the rival shipbuilders to unwelcome curiosity. So, we figured, Bellaver had had him killed." "But what happened to the Titanite?" "That," said Shearing, "is what nobody knows. Bellaver must have figured that if his tame Lazarites couldn't find where MacDonald had put it, we couldn't either. He was right. With all our combined mental probes and conventional detectors we haven't been able to track it down. And we haven't been able to find any more pockets, either. Bellaver Corporation got exclusive mineral rights to the whole damned moon. They even own the refinery now." Hyrst shook his head. "Latent impressions or not, I don't see how I can help on that. If MacDonald had given the killer any clue--" * * * * * A beam of bright blue light no thicker than a pencil struck in through the mouth of the passage. It touched the side of the large stone block. The stone turned molten and ran, and then the beam flicked off, leaving a place that glowed briefly red. Shearing said, "I guess our ten minutes are up." They were. For a second or two nothing more happened and then Hyrst saw something come sailing in through the crack. His mind told him what it was just barely in time to shut his eyes. There was a flash that dazzled him even through his closed lids, and the flash became a glare that did not lessen. Bellaver's men had tossed in a long-term flare, and almost at once someone followed it, in the hope of catching Hyrst and Shearing blinded and off guard. The eyes of Hyrst's mind, unaffected by light, clearly showed him the suited figure just below him, with its bubble helmet covered by a glare-shield. They directed him with perfect accuracy in the downward sweep of the lead weight he had taken from his boot, and which he still held in his hand. The bubble helmet was very strong, and the gravity very light, but the concussion was enough to drop the man unconscious. Just about thought Hyrst, what happened to me there in the hoist tower, when MacDonald died. Shearing, who had by now adjusted his own glare-shield stooped quickly and took the man's gun.