XVIIIIn an emergency some one person usually takes command. In this instance it was Justin Leigh. He came quickly down the hall, knelt by the body, clasped the outflung wrist for a long minute, and then got up and walked to the bell on the left of the hearth, breast-high under a row of switches. Standing there and waiting for the answer to his summons, he looked briefly about him. Switches by the front door—the light hadn’t been turned off from there. Switches here, on the left as you faced the hearth, fifteen feet or so in a direct line from where Gregory had been stabbed—anyone round the fire could have reached them. Switches by the service door opening from the back of the hall where the panelled casing of the stairway gave place to a recess—certainly anyone could have opened that door
