6 Archimedes led them over to the same berth from before and clicked on a button on the left wall. The target was pulled along its cord until it reached them. Archimedes turned to Nena with pursed lips and held out his hand. “If you would give me your hand.” Nena set her hand in his and he drew out a small knife from his pocket. With a flick of the blade and a wince from Nena a dot of blood appeared on the end of one finger. Archimedes used the blade of the knife like a painter’s tool and swiped the blood onto the broad edge of the weapon. He held the back of the target and smeared the center thinly with her blood. “Now we’ll see if this works,” he commented as he pressed the button. The target moved back to the rear of the range. Archimedes took the gun from Jack and loaded fou