"It is that or starve, Captain. I can't get a job. God knows I've tried, but without a recommend, it's no use. I ain't no good at beggin'. And—and—there's the childer."
There was a desperate note in the man's voice that made the Captain turn and look sharply at him. A swarthy, strongly built man in a rough coat, and with that in his dark face which told that he had lived longer than his years, stood at the door of the Detective Office. His hand that gripped the door handle shook so that the knob rattled in his grasp, but not with fear. He was no stranger to that place. Black Bill's face had looked out from the Rogues' Gallery longer than most of those now there could remember. The Captain looked him over in silence.
"You had better not, Bill," he said. "You know what will come of it. When you go up again it will be the last time. And up you go, sure."
The man started to say something, but choked it down and went out without a word. The Captain got up and rang his bell.
"Bill, who was here just now, is off again," he said to the officer who came to the door. "He says
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 it is steal or starve, and he can't get a job. I guess he is right. Who wants a thief in his pay? And how can I recommend him? And still I think he would keep straight if he had the chance. Tell Murphy to look after him and see what he is up to."
The Captain went out, tugging viciously at his gloves. He was in very bad humor. The policeman at the Mulberry Street door got hardly a nod for his cheery "Merry Christmas" as he passed.
"Wonder what's crossed him," he said, looking down the street after him.
The green lamps were lighted and shone upon the hurrying six o'clock crowds from the Broadway shops. In the great business buildings the iron shutters were pulled down and the lights put out, and in a little while the reporters' boys that carried slips from Headquarters to the newspaper offices across the street were the only tenants of the block. A stray policeman stopped now and then on the corner and tapped the lamp-post reflectively with his club as he looked down the deserted street and wondered, as his glance rested upon the Chief's darkened windows, how it felt to have six thousand dollars a year and every night off. In the Detective Office the Sergeant who had come in at roll-call stretched himself behind the desk and thought of home. The lights of a Christmas tree in the abutting Mott Street tenement shone through his window, and the laughter of children mingled with the
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 tap of the toy drum. He pulled down the sash in order to hear better. As he did so, a strong draught swept his desk. The outer door slammed. Two detectives came in bringing a prisoner between them. A woman accompanied them.
The Sergeant pulled the blotter toward him mechanically and dipped his pen.
"What's the charge?" he asked.
"Picking pockets in Fourteenth Street. This lady is the complainant, Mrs. ——"
The name was that of a well-known police magistrate. The Sergeant looked up and bowed. His glance took in the prisoner, and a look of recognition came into his face.
"What, Bill! So soon?" he said.
The prisoner was sullenly silent. He answered the questions put to him briefly, and was searched. The stolen pocket-book, a small paper package, and a crumpled letter were laid upon the desk. The Sergeant saw only the pocket-book.
"Looks bad," he said with wrinkled brow.
"We caught him at it," explained the officer. "Guess Bill has lost heart. He didn't seem to care. Didn't even try to get away."
The prisoner was taken to a cell. Silence fell once more upon the office. The Sergeant made a few red lines in the blotter and resumed his reveries. He was not in a mood for work. He hitched his chair nearer the window and looked across the yard.
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 But the lights there were put out, the children's laughter had died away. Out of sorts at he hardly knew what, he leaned back in his chair, with his hands under the back of his head. Here it was Christmas Eve, and he at the desk instead of being out with the old woman buying things for the children. He thought with a sudden pang of conscience of the sled he had promised to get for Johnnie and had forgotten. That was hard luck. And what would Katie say when——
He had got that far when his eye, roaming idly over the desk, rested upon the little package taken from the thief's pocket. Something about it seemed to move him with sudden interest. He sat up and reached for it. He felt it carefully all over. Then he undid the package slowly and drew forth a woolly sheep. It had a blue ribbon about its neck, with a tiny bell hung on it.
The Sergeant set the sheep upon the desk and looked at it fixedly for better than a minute. Having apparently studied out its mechanism, he pulled its head and it baa-ed. He pulled it once more, and nodded. Then he took up the crumpled letter and opened it.
This was what he read, scrawled in a child's uncertain hand:—
"Deer Sante Claas—Pease wont yer bring me a sjeep wat bas. Aggie had won wonst. An Kate
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 wants a dollie offul. In the reere 718 19th Street by the gas house. Your friend Will."
The Sergeant read it over twice very carefully and glanced over the page at the sheep, as if taking stock and wondering why Kate's dollie was not there. Then he took the sheep and the letter and went over to the Captain's door. A gruff "Come in!" answered his knock. The Captain was pulling off his overcoat. He had just come in from his dinner.
"Captain," said the Sergeant, "we found this in the pocket of Black Bill who is locked up for picking Mrs. ——'s pocket an hour ago. It is a clear case. He didn't even try to give them the slip," and he set the sheep upon the table and laid the letter beside it.
"Black Bill?" said the Captain, with something of a start; "the dickens you say!" And he took up the letter and read it. He was not a very good penman, was little Will. The Captain had even a harder time of it than the Sergeant had had making out his message. Three times he went over it, spelling out the words, and each time comparing it with the woolly exhibit that was part of the evidence, before he seemed to understand. Then it was in a voice that would have frightened little Will very much could he have heard it, and with a black look under his bushy eyebrows, that he bade the Sergeant "Fetch Bill up here!" One might almost have ex
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pected the little white lamb to have taken to its heels with fright at having raised such a storm, could it have run at all. But it showed no signs of fear. On the contrary it baa-ed quite lustily when the Sergeant should have been safely out of earshot. The hand of the Captain had accidentally rested upon the woolly head in putting down the letter. But the Sergeant was not out of earshot. He heard it and grinned.
An iron door in the basement clanged and there were steps in the passageway. The doorman brought in Bill. He stood by the door, sullenly submissive. The Captain raised his head. It was in the shade.
"So you are back, are you?" he said.
The thief nodded.
The Captain bent his brows upon him and said with sudden fierceness, "You couldn't keep honest a month, could you?"
"They wouldn't let me. Who wants a thief in his pay? And the children were starving."
It was said ............