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My friend’s plans were gradually revealing themselves. From this convenient retreat, the watchers were being watched and the trackers tracked. That angular shadow up yonder was the bait, and we were the hunters. In silence we stood together in the darkness and watched the hurrying figures who passed and repassed in front of us. Holmes was silent and motionless; but I could tell that he was keenly alert, and that his eyes were fixed intently upon the stream of passers-by. It was a bleak and boisterous night, and the wind whistled shrilly down the long street. Many people were moving to and fro, most of them muffled in their coats and cravats. Once or twice it seemed to me that I had seen the same figure before, and I especially noticed two men who appeared to be sheltering themselves from the wind in the doorway of a house some distance up the street. I tried to draw my companion’s attention to them; but he gave a little ejaculation of impatience, and continued to stare into the street. More than once he fidgeted with his feet and tapped rapidly with his fingers upon the wall. It was evident to me that he was becoming uneasy, and that his plans were not working out altogether as he had hoped. At last, as midnight approached and the street gradually cleared, he paced up and down the room in uncontrollable agitation. I was about to make some remark to him, when I raised my eyes to the lighted window, and again experienced almost as great a surprise as before. I clutched Holmes’s arm, and pointed upward.

“The shadow has moved!” I cried.

It was indeed no longer the profile, but the back, which was turned towards us.

Three years had certainly not smoothed the asperities of his temper or his impatience with a less active intelligence than his own.

“Of course it has moved,” said he. “Am I such a farcical bungler, Watson, that I should erect an obvious dummy, and expect that some of the sharpest men in Europe would be deceived by it? We have been in this room two hours, and Mrs. Hudson has made some change in that figure eight times, or once in every quarter of an hour. She works it from the front, so that her shadow may never be seen. Ah!” He drew in his breath with a shrill, excited intake. In the dim light I saw his head thrown forward, his whole attitude rigid with attention. Outside the street was absolutely deserted. Those two men might still be crouching in the doorway, but I could no longer see them. All was still and dark, save only that brilliant yellow screen in front of us with the black figure outlined upon its centre. Again in the utter silence I heard that thin, sibilant note which spoke of intense suppressed excitement. An instant later he pulled me back into the blackest corner of the room, and I felt his warning hand upon my lips. The fingers which clutched me were quivering. Never had I known my friend more moved, and yet the dark street still stretched lonely and motionless before us.

But suddenly I was aware of that which his keener senses had already distinguished. A low, stealthy sound came to my ears, not from the direction of Baker Street, but from the back of the very house in which we lay concealed. A door opened and shut. An instant later steps crept down the passage – steps which were meant to be silent, but which reverberated harshly through the empty house. Holmes crouched back against the wall, and I did the same, my hand closing upon the handle of my revolver. Peering through the gloom, I saw the vague outline of a man, a shade blacker than the blackness of the open door. He stood for an instant, and then he crept forward, crouching, menacing, into the room. He was within three yards of us, this sinister figure, and I had braced myself to meet his spring, before I realized that he had no idea of our presence. He passed close beside us, stole over to the window, and very softly and noiselessly raised it for half a foot. As he sank to the level of this opening, the light of the street, no longer dimmed by the dusty glass, fell full upon his face. The man seemed to be beside himself with excitement. His two eyes shone like stars, and his features were working convulsively. He was an elderly man, with a thin, projecting nose, a high, bald forehead, and a huge grizzled moustache. An opera hat was pushed to the back of his head, and an evening dress shirt-front gleamed out through his open overcoat. His face was gaunt and swarthy, scored with deep, savage lines. In his hand he carried what appeared to be a stick, but as he laid it down upon the floor it gave a metallic clang. Then from the pocket of his overcoat he drew a bulky object, and he busied himself in some task which ended with a loud, sharp click, as if a spring or bolt had fallen into its place. Still kneeling upon the floor he bent forward and threw all his weight and strength upon some lever, with the result that there came a long, whirling, grinding noise, ending once more in a powerful click. He straightened himself then, and I saw that what he held in his hand was a sort of gun, with a curiously misshapen butt. He opened it at the breech, put something in, and snapped the breech-lock. Then, crouching down, he rested the end of the barrel upon the ledge of the open window, and I saw his long moustache droop over the stock and his eye gleam as it peered along the sights. I heard a little sigh of satisfaction as he cuddled the butt into his shoulder, and saw that amazing target, the black man on the yellow ground, standing clear at the end of his foresight. For an instant he was rigid and motionless. Then his finger tightened on the trigger. There was a strange, loud whiz and a long, silvery tinkle of broken glass. At that instant Holmes sprang like a tiger on to the marksman’s back, and hurled him flat upon his face. He was up again in a moment, and with convulsive strength he seized Holmes by the throat, but I struck him on the head with the butt of my revolver, and he dropped again upon the floor. I fell upon him, and as I held him my comrade blew a shrill call upon a whistle. There was the clatter of running feet upon the pavement, and two policemen in uniform, with one plain-clothes detective, rushed through the front entrance and into the room.

“That you, Lestrade?” said Holmes.

“Yes, Mr. Holmes. I took the job myself. It’s good to see you back in London, sir.”

“I think you want a little unofficial help. Three undetected murders in one year won’t do, Lestrade. But you handled the Molesey Mystery with less than your usual – that’s to say, you handled it fairly well.”

The Empty House 4	The Empty House 5	The Empty House 6