"They might be Sergeant Cobbledick's," he replied. "The sergeant has been in here." He drew a chair up to the table, and, taking a lens from his pocket, began systematically to examine the markings.
"They are a remarkably fine set," he remarked, "and a complete set—the whole ten digits. Whoever made them held the bottle in the right hand and the tumbler in the left. And I don't think they are the sergeant's. They are too small and too clear and delicate."
"No," I agreed, "and the probabilities are against their being his. There is no reason why he should have wanted to take a drink of water during the few minutes that he spent here. It would have been different if it had been a beer bottle. But it would have been quite natural for Mrs. Frood to drink a glass of water while she was dressing or before she started out."
"Yes," said he. "Those are the obvious probabilities. But we must turn them into certainties if we can. Probabilities are not good data to work from. But the question is now, what are we to do? I have a small camera with me, but it would not be very convenient to take the photographs here, and it would occupy a good deal of time. On the other hand, these things would be difficult to pack without smearing the fingerprints. We want a couple of small boxes."
"Perhaps," said I, "we may find something that will do if we take a look round."
"Yes," he agreed, "we must explore the place. Meanwhile, I think I will develop up these prints for our immediate information, as we have to try to find some others to verify them."
He went back to the sitting-room, where he had put down the two cases that he always brought with him: a small suit-case that contained his toilet necessaries and a similar-sized case covered with green canvas which had been rather a mystery to me. I had never seen it open, and had occasionally speculated on the nature of its contents. My curiosity was now to be satisfied, for, when he returned with it in his hand he explained: "This is what I call my research-case. It contains the materials and appliances for nearly every kind of medico-legal investigation, and I hardly ever travel without it."
He placed it on a chair and opened it, when I saw that it formed a complete portable laboratory, containing, among other things a diminutive microscope, a little folding camera, and an insufflator, or powder-spray. The latter he now took from its compartment, and, lifting the tumbler with his gloved hand, stood it on a corner of the mantelpiece and blew over it with the insufflator a cloud of impalpably fine white powder, which settled evenly on the surface of the glass. He then tapped the tumbler gently once or twice with a lead pencil, when most of the powder coating either jarred off or crept down the surface. Finally, he blew at it lightly, which removed the rest of the powder, leaving the fingerprints standing out on the clear glass as if they had been painted on with Chinese white.
While he was operating in the same manner on the water-bottle—having first emptied it into the ewer—I examined the tumbler with the aid of his lens. The markings were amazingly clear and distinct. Through the lens I could see, not only the whole of the curious, complicated ridge-pattern, but even the rows of little round spots that marked the orifices of the sweat glands. For the first time, I realized what a perfect means of identification these remarkable imprints furnished.
"Now," said Thorndyke, when he had finished with the bottle, "the two questions are, where shall we look for confirmatory fingerprints, and where are we to get the boxes that we want for packing these things? You said that Mrs. Frood had a kitchen."
"Yes. But won't you try the furniture here; the wardrobe door, for instance. The dark, polished mahogany ought to give good prints."
"An excellent suggestion, Strangeways," said he. “We might even find the sergeant's fingerprints, as he has probably had the wardrobe open."
He sprayed the three doors of the wardrobe, and when he had tapped them and blown away the surplus powder, there appeared near the edge of each a number of finger-marks, mostly rather indistinct, and none of them nearly so clear as those on the glass.
"This is very satisfactory," said Thorndyke. "They are poor prints, but you can see quite plainly that there are two pairs of hands, one pair much larger than the other; and the prints of the larger hands are evidently not the same pattern as those on the glass, whereas those of the smaller ones are quite recognizable as the same, in spite of their indistinctness. As the large ones are almost certainly Cobbledick's, the small ones are pretty certainly Mrs. Frood's. But we mustn't take anything for granted. Let us go down to the kitchen. We shall have a better chance there."
The door of the basement staircase was still unlocked, as Mrs. Gillow had described it. I threw it open, and we descended together, I carrying the insufflator and he bearing the tumbler and bottle in his gloved hands. When he had put the two articles down on the kitchen table, he proceeded to powder first the kitchen door and then the side-door that gave on to the passage between the two houses. Both of them were painted a dark green and both yielded obvious finger-marks, and though these were mere oval smudges, devoid of any trace of pattern, their size and their groupings showed clearly enough that they appertained to a small hand. But we got more conclusive confirmation from a small aluminium frying-pan that had been left on the gas stove; for, on powdering the handle, Thorndyke brought into view a remarkably clear thumbprint, which was obviously identical with that on the water-bottle.
"I think," said he, "that settles the question. If Mrs. Gillow has not touched anything in these premises—as she assures us that she has not—then we can safely assume that these are Mrs. Frood's fingerprints."
"Are you going to annex the frying-pan to produce in evidence?" I asked.
"No," he replied. "This verification is for our own information: to secure us against the chance of producing Cobbledick's fingerprints to identify the body. I propose, for the present, to say nothing to anyone as to our possessing this knowledge. When the time comes we can tell what we know. Until then we shall keep our own counsel. "
Once more I found myself dimly surprised at my friend's apparently unnecessary secrecy, but, assuming that he knew best, I made no comment, but watched with somewhat puzzled curiosity his further proceedings. His interest in the place was extraordinary. In a queer, catlike fashion he prowled about the premises, examining the most trivial objects with almost ludicrous attention. He went carefully through the cooking appliances and the glass and china; he peered into cupboards, particularly into a large, deep cupboard in which spare crockery was stored, and which was, oddly enough, provided with a Yale lock; he sorted out the meagre contents of the refuse-bin, and incidentally salved from it a couple of cardboard boxes that had originally contained groceries, and he explored the, now somewhat unsavoury, larder.
"I suppose," he said reflectively, "the dustman must have used the side door. Do you happen to know?”
"I don't," said I, inwardly wondering what the deuce the dustman had to do with the case. "I understand that the door of the passage was not used."
"But she couldn't have had the dust-bin carried up the stairs and out at the front door," he objected.
"I should think not," said I. "Perhaps we could judge better if we had a look at the passage."
He adopted the suggestion and we opened the side-door—which had a Yale night-latch—and went out into the covered passage that was common to the two houses. The door that opened on to the street was bolted on the inside, but the bolts were in good working order, as we ascertained by drawing them gently; so this gave no evidence one way or the other. Then Thorndyke carefully examined the hard gravel floor of the passage, apparently searching for dropped fragments, or the dustman's foot-prints; but though there were traces suggesting that the side-doors had been used, there were no perceptible tracks leading to the street or in any way specifically suggestive of dustmen.
“Japp seems fond of Yale locks," observed Thorndyke, indicating the second side-door, which was also fitted with one. "I wonder where he keeps his dust-bin."
"Would it be worth while to ask him?" said I, more and more myst
ified by this extraordinary investigation.
"No," he replied, very definitely. "A question often gives more information than it elicits."
"It might easily do that in my case," I remarked with a grin; upon which he laughed softly and led the way back into the house. There I gathered up the two boxes and the insufflator and made my way up to the bedroom, he following with the tumbler and the water-bottle. Then came the critical business of packing these two precious objects in the boxes in such a way as to protect the fingerprints from contact with the sides; which was accomplished very neatly with the aid of a number of balls of plasticine from the inexhaustible research-case.
"This is a little disappointing," said Thorndyke, looking at the hair-brush and comb as he took off his gloves. "I had hoped to collect a useful sample of hair. But her excessive tidiness defeats us. There seems to be only one or two short hairs and one full length. However, we may as well have them. They won't be of much use for comparison with the naked eye, but even a single hair can be used as a colour control under the microscope."
He combed the brush until the last hair was extracted from it, and then drew the little collection from the comb and arranged it on a sheet of paper. There were six short hairs, from two to four inches long, and one long hair, which seemed to have been broken off, as it had no bulb.
"Many ladies keep a combing-bag," he remarked, as; he bestowed the collection in a seed-envelope from the research-case; "but I gather from your description that Mrs. Frood's hair was luxuriant enough to render that economy unnecessary. At any rate, there doesn't seem to be such a bag. And now I think we have finished, and we haven't done so badly."
"We have certainly got an excellent set of fingerprints," said I. "But it seems rather doubtful whether there will ever be an opportunity of using them; and if there isn't, we shan't be much more forward for our exploration. Of course, there is the hair."
"Yes," said Thorndyke, "there is the hair. That may be quite valuable. And perhaps there are some other matters—but time will show."
With this somewhat cryptic conclusion he proceeded with great care to pack the two boxes in his suit-case, wedging them with his pyjamas so that they should not get shaken in transit.
As we walked home I reflected on Thorndyke's last remark. It seemed to contain a suggestion that the mystery of Angelina's death was not so complete to him as it was to me. For my own part, I could see no glimmer of light in any direction. She seemed to have vanished without leaving a trace excepting those few derelict objects which had been washed ashore and which told us nothing. But was it possible that those objects bore some significance that I had overlooked? That they were charged with some message that I had failed to decipher? I recalled a certain reticence on the part of Cobbledick which had made me suspect him of concealing from me some knowledge that he held or some inferences that he had drawn; and now there was this cryptic remark of Thorndyke's, offering the same suggestion. Might it possibly be that the profound obscurity was only in my own mind, the product of my inexperience, and that to these skilled investigators the problem presented a more intelligible aspect? It might easily be. I determined cautiously to approach the question.
"You seemed," said I, "to imply, just now, that there are certain data for forming hypotheses as to the solution of this mystery that envelops the disappearance of Mrs. Frood. But I am not aware of any such data. Are you?"
“Your question, Strangeways," he replied, "turns on the meaning of the word 'aware.' If two men, one literate and the other illiterate, look at a page of a printed book, both may be said to be aware of it; that is to say that in both it produces a retinal image which makes them conscious of it as a visible object having certain optical properties. In the case of the illiterate man the perception of the optical properties is the total effect. But the literate man has something in his consciousness already, and this something combines, as it were, with the optical perception, and makes him aware of certain secondary properties of the printed characters. To both, the page yields a visual impression; but to one only does it yield what we may call a psychical impression. Are they both aware of the page?"
“I appreciate your point," said I, with a sour smile, "and I seem to be aware of a rather skilful evasion of my question."
He smiled in his turn and rejoined: “Your question was a little indirect. Shall we have it in a more direct form?"
“What I wanted to know," said I, “though I suppose I have no right to ask, is whether there appears to you to be any prospect whatever of finding any solution of the mystery of Mrs. Frood's death."
“The answer to that question," he replied, “is furnished by my own proceedings. I am not a communicative man, as you may have noticed, but I will say this much: that I have taken, and am taking, a good deal of trouble with this case, and am prepared to take more, and that I do not usually waste my efforts on problems that appear to be unsolvable. I am not disposed to say more than that, excepting to refer you again to the instance of the printed page and to remind you that whatever I know I have either learned from you or from the observation, in your company, of objects equally visible to both of us."
This reply, if not very illuminating, at least answered my question, as it conveyed to me that I was not likely to get much more information out of my secretive friend. Nevertheless, I asked: "About the man Frood: you were saying that you had some hopes of running him to earth."
"Yes, I have made a start. I have ascertained that he did apparently set out for Brighton the day before Mrs. Frood's disappearance, but he never arrived there. That is all I know at present. He was seen getting into the Brighton train, but he did not appear at the Brighton barrier—my informant had the curiosity to watch all the passengers go through—and he never made the visit which was the ostensible object of his journey. So he must have got out at an intermediate station. It may he difficult to trace him, but I am not without hope of succeeding eventually. Obviously, his whereabouts on the fatal day is a matter that has to be settled. At present he is the obvious suspect; but if an alibi should be proved in his case, a search would have to be initiated in some other direction."
This conversation brought us to my house in time to relieve Mrs. Dunk's anxieties on the subject of dinner; and as the daylight was already gone, the photographic operations were postponed until the following morning. Indeed, Thorndyke had thought of taking the objects to his chambers, where a more efficient outfit was available, but, on reflection, he decided to take the photographs in my presence so that I could, if necessary, attest their genuineness on oath. Accordingly, on the following morning, we very carefully extracted the tumbler and the bottle from their respective boxes and set them up, with a black coat of mine for a background, at the end of a table. Then Thorndyke produced his small folding camera—which pulled out to a surprising length—and, having fitted it with a short-focus objective, made the exposures, and developed the plates in a dark cupboard by the light of a little red lamp from the research case. When the plates were dry we inspected them through a lens, and found them microscopically sharp. Finally, at Thorndyke's suggestion, I scratched my initials with a needle in the corner of each plate.
"Well," I said, when he had finished, "you have got the evidence that you wanted, and in a very complete form. It remains to be seen now whether you will ever get an opportunity to use it."
"Don't be pessimistic, Strangeways," said he. "We have had exceptional luck in getting this splendid series of fingerprints. Let us hope that Fortune will not desert us after making us these gifts."
"What is to be done with the originals?" I asked.
"Shall I put them back where we found them?"
"I think not," he replied. "If you have a safe or a secure lock-up cupboard, where they could be put away, out of sight, and from whence they could be produced if necessary, I will ask you to take charge of them."
There was a cupboard with a good lock in the old bureau that I had found in my bedroom, and to this I conveyed the precious objects
and locked them in. And so ended—at least, for the present—the episode of our raid on poor Angelina's abode.
XIII. The Discovery in Black Boy-Lane
On a fine, sunny afternoon, about ten days after our raid on Angelina's rooms (it was Tuesday, the 14th of July, to be exact), I was sitting in my dining-room, from which the traces of lunch had just been removed, idly glancing over the paper, and considering the advisability of taking a walk, when I heard the door-bell ring. There was a short interval; then the door was opened, and the sounds of strife and wrangling that followed this phenomenon informed me that the visitor was Mr. Bundy, between whom and Mrs. Dunk there existed a state of chronic warfare. Presently the dining-room door opened—in time for me to catch a concluding growl of defiance from Mrs. Dunk—and that lady announced gruffly: "Mr. Bundy."
My visitor tripped in smilingly, "all teeth and eyeglass," as his inveterate enemy had once expressed it, holding a Panama hat, which had temporarily superseded the velour.
"Well, John," said he, "coming out to play?" He had lately taken to calling me John; in fact, a very close and pleasant intimacy had sprung up between us. It dated from the occasion when I had confided to him my unfortunate passion for poor Angelina. That confidence he had evidently taken as a great compliment, and the matter of it had struck a sympathetic chord in his kindly nature. From that moment there had been a sensible change in his manner towards me. Beneath his habitual flippancy there was an undertone of gentleness and sympathy, and even of affection. Nor had I been unresponsive. Like Thorndyke, I found in his sunny temperament, his invariable cheerfulness and high spirits, a communicable quality that took effect on my own state of mind. And then I had early recognized that, in spite of his apparent giddiness, Bundy was a man of excellent intelligence and considerable strength of character. So the friendship had ripened naturally enough.
I rose from my chair and, dropping the paper, stretched myself. "You are an idle young dog," said I. "Why aren't you at work?"
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