The Commissioner nodded.
"And this is one of those?"
"This is such a one. How it came here, heaven knows," he said. "It is certainly the most remarkable discovery."
The Commissioner went to a cupboard, unlocked it and took out a suit-case, which he placed upon the table and opened.
"Now," said the Commissioner, "look at this, Tarling."
"This" was a stained garment, which Tarling had no difficulty in recognising as a night-dress. He took it out and examined it. Save for two sprays of forget-me-nots upon the sleeves it was perfectly plain and was innocent of lace or embroidery.
"It was found round his body, and here are the handkerchiefs." He pointed to two tiny squares of linen, so discoloured as to be hardly recognisable.
Tarling lifted the flimsy garment, with its evidence of the terrible purpose for which it had been employed, and carried it to the light.
"Are there laundry marks?"
"None whatever," said the Commissioner.
"Or on the handkerchiefs?"
"None," replied Mr. Cresswell.
"The property of a girl who lived alone," said Tarling. "She is not very well off, but extremely neat, fond of good things, but not extravagant, eh?"
"How do you know that?" asked the Commissioner, surprised.
Tarling laughed.
"The absence of laundry marks shows that she washes her silk garments at home, and probably her handkerchiefs also, which places her amongst the girls who aren't blessed with too many of this world's goods. The fact that it is silk, and good silk, and that the handkerchiefs are good linen, suggests a woman who takes a great deal of trouble, yet whom one would not expect to find over-dressed. Have you any other clue?"
"None," said the Commissioner. "We have discovered that Mr. Lyne had rather a serious quarrel with one of his employees, a Miss Odette Rider–"
Tarling caught his breath. It was, he told himself, absurd to take so keen an interest in a person whom he had not seen for more than ten minutes, and who a week before was a perfect stranger. But somehow the girl had made a deeper impression upon him than he had realised. This man, who had spent his life in the investigation of crime and in the study of criminals, had found little time to interest himself in womanhood, and Odette Rider had been a revelation to him.
"I happen to know there was a quarrel. I also know the cause," he said, and related briefly the circumstances under which he himself had met Thornton Lyne. "What have you against her?" he said, with an assumption of carelessness which he did not feel.
"Nothing definite," said the Commissioner. "Her principal accuser is the man Stay. Even he did not accuse her directly, but he hinted that she was responsible, in some way which he did not particularise, for Thornton Lyne's death. I thought it curious that he should know anything about this girl, but I am inclined to think that Thornton Lyne made this man his confidant."
"What about the man?" asked Tarling. "Can he account for his movements last night and early this morning?"
"His statement," replied the Commissioner, "is that he saw Mr. Lyne at his flat at nine o'clock, and that Mr. Lyne gave him five pounds in the presence of Lyne's butler. He said he left the flat and went to his lodgings in Lambeth, where he went to bed very early. All the evidence we have been able to collect supports his statement. We have interviewed Lyne's butler, and his account agrees with Stay's. Stay left at five minutes past nine, and at twenty-five minutes to ten—exactly half an hour later—Lyne himself left the house, driving his two-seater. He was alone, and told the butler he was going to his club."
"How was he dressed?" asked Tarling.
"That is rather important," nodded the Commissioner. "For he was in evening dress until nine o'clock—in fact, until after Stay had gone—when he changed into the kit in which he was found dead."
Tarling pursed his lips.
"He'd hardly change from evening into day dress to go to his club," he said.
He left Scotland Yard a little while after this, a much puzzled man. His first call was at the flat in Edgware Road which Odette Rider occupied. She was not at home, and the hall porter told him that she had been away since the afternoon of the previous day. Her letters were to be sent on to Hertford. He had the address, because it was his business to intercept the postman and send forward the letters.
"Hillington Grove, Hertford."
Tarling was worried. There was really no reason why he should be, he told himself, but he was undoubtedly worried. And he was disappointed too. He felt that, if he could have seen the girl and spoken with her for a few minutes, he could have completely disassociated her from any suspicion which might attach. In fact, that she was away from home, that she had "disappeared" from her flat on the eve of the murder, would be quite enough, as he knew, to set the official policeman nosing on her trail.
"Do you know whether Miss Rider has friends at Hertford?" he asked the porter.
"Oh, yes, sir," said the man nodding. "Miss Rider's mother lives there."
Tarling was going, when the man detained him with a remark which switched his mind back to the murder and filled him with a momentary sense of hopeless dismay.
"I'm rather glad Miss Rider didn't happen to be in last night, sir," he said. "Some of the tenants upstairs were making complaints."
"Complaints about what?" asked Tarling, and the man hesitated.
"I suppose you're a friend of the young lady's, aren't you?" and Tarling nodded.
"Well, it only shows you," said the porter confidentially, "how people are very often blamed for something they did not do. The tenant in the next flat is a bit crotchety; he's a musician, and rather deaf. If he hadn't been deaf, he wouldn't have said that Miss Rider was the cause of his being wakened up. I suppose it was something that happened outside."
"What did he hear?" asked Tarling quickly, and the porter laughed.
"Well, sir, he thought he heard a shot, and a scream like a woman's. It woke him up. I should have thought he had dreamt it, but another tenant, who also lives in the basement, heard the same sound, and the rum thing was they both thought it was in Miss Rider's flat."
"What time was this?"
"They say about midnight, sir," said the porter; "but, of course, it couldn't have happened, because Miss Rider had not been in, and the flat was empty."
Here was a disconcerting piece of news for Tarling to carry with him on his railway journey to Hertford. He was determined to see the girl and put her on her guard, and though he realised that it was not exactly his duty to put a suspected criminal upon her guard, and that his conduct was, to say the least of it, irregular, such did not trouble him very much.
He had taken his ticket and was making his way to the platform when he espied a familiar figure hurrying as from a train which had just come in, and apparently the man saw Tarling even before Tarling had recognised him, for he turned abruptly aside and would have disappeared into the press of people had not the detective overtaken him.
"Hullo, Mr. Milburgh!" he said. "Your name is Milburgh, if I remember aright?"
The manager of Lyne's Store turned, rubbing his hands, his habitual smile upon his face.
"Why, to be sure," he said genially, "it's Mr. Tarling, the detective gentleman. What sad news this is, Mr. Tarling! How dreadful for everybody concerned!"
"I suppose it has meant an upset at the Stores, this terrible happening?"
"Oh, yes, sir," said Milburgh in a shocked voice. "Of course we closed the Store for the day. It is dreadful—the most dreadful thing within my experience. Is anybody suspected, sir?" he asked.
Tarling shook his head.
"It is a most mysterious circumstance, Mr. Milburgh," he said. And then: "May I ask if any provision had been made to carry on the business in the event of Mr. Lyne's sudden death?"
Again