LITMIR.BIZ

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pallor had spread over his face, while his forehead was covered with beads of perspiration.) "On looking at the print closely, I noticed at one part a minute white mark or space. It was of the shape of a capital S and had evidently been produced by a defect in the paper—a loose fibre which had stuck to the thumb and been detached by it from the paper, leaving a blank space where it had been. But, on examining the paper under a low power of the microscope, I found the surface to be perfect and intact. No loose fibre had been detached from it, for if it had, the broken end or, at least, the groove in which it had lain, would have been visible. The inference seemed to be that the loose fibre had existed, not in the paper which was found in the safe, but in the paper on which the original thumb-mark had been made. Now, as far as I knew, there was only one undoubted thumb-print of Reuben Hornby's in existence—the one in the 'Thumbograph.' At my request, the 'Thumbograph' was brought to my chambers by Mrs. Hornby, and, on examining the print of Reuben Hornby's left thumb, I perceived on it a minute, S-shaped white space occupying a similar position to that in the red thumb-mark; and when I looked at it through a powerful lens, I could clearly see the little groove in the paper in which the fibre had lain and from which it had been lifted by the inked thumb. I subsequently made a systematic comparison of the marks in the two thumb-prints; I found that the dimensions of the mark were proportionally the same in each—that is to say, the mark in the 'Thumbograph' print had an extreme length of 26/1000 of an inch and an extreme breadth of 14.5/1000 of an inch, while that in the red thumb-mark was one-fortieth larger in each dimension, having an extreme length of 26.65/1000 of an inch and an extreme breadth of 14.86/1000 of an inch; that the shape was identical, as was shown by superimposing tracings of greatly enlarged photographs of each mark on similar enlargements of the other; and that the mark intersected the ridges of the thumb-print in the same manner and at exactly the same parts in the two prints."

      "Do you say that—having regard to the facts which you have stated—it is certain that the red thumb-mark is a forgery?"

      "I do; and I also say that it is certain that the forgery was executed by means of the 'Thumbograph.'"

      "Might not the resemblances be merely a coincidence?"

      "No. By the law of probabilities which Mr. Singleton explained so clearly in his evidence, the adverse chances would run into untold millions. Here are two thumb-prints made in different places and at different times—an interval of many weeks intervening. Each of them bears an accidental mark which is due not to any peculiarity of the thumb, but to a peculiarity of the paper. On the theory of coincidences it is necessary to suppose that each piece of paper had a loose fibre of exactly identical shape and size and that this fibre came, by accident, in contact with the thumb at exactly the same spot. But such a supposition would be more opposed to probabilities even than the supposition that two exactly similar thumb-prints should have been made by different persons. And then there is the further fact that the paper found in the safe had no loose fibre to account for the mark."

      "What is your explanation of the presence of defibrinated blood in the safe?"

      "It was probably used by the forger in making the thumb-print, for which purpose fresh blood would be less suitable by reason of its clotting. He would probably have carried a small quantity in a bottle, together with the pocket slab and roller invented by Mr. Galton. It would thus be possible for him to put a drop on the slab, roll it out into a thin film and take a clean impression with his stamp. It must be remembered that these precautions were quite necessary, since he had to make a recognisable print at the first attempt. A failure and a second trial would have destroyed the accidental appearance, and might have aroused suspicion."

      "You have made some enlarged photographs of the thumb-prints, have you not?"

      "Yes. I have here two enlarged photographs, one of the 'Thumbograph' print and one of the red thumb-print. They both show the white mark very clearly and will assist comparison of the originals, in which the mark is plainly visible through a lens."

      He handed the two photographs up to the judge, together with the 'Thumbograph,' the memorandum slip, and a powerful doublet lens with which to examine them.

      The judge inspected the two original documents with the aid of the lens and compared them with the photographs, nodding approvingly as he made out the points of agreement. Then he passed them on to the jury and made an entry in his notes.

      While this was going on my attention was attracted by Walter Hornby. An expression of terror and wild despair had settled on his face, which was ghastly in its pallor and bedewed with sweat. He looked furtively at Thorndyke and, as I noted the murderous hate in his eyes, I recalled our midnight adventure in John Street and the mysterious cigar.

      Suddenly he rose to his feet, wiping his brow and steadying himself against the bench with a shaking hand; then he walked quietly to the door and went out. Apparently, I was not the only onlooker who had been interested in his doings, for, as the door swung to after him, Superintendent Miller rose from his seat and went out by the other door.

      "Are you cross-examining this witness?" the judge inquired, glancing at Sir Hector Trumpler.

      "No, my lord," was the reply.

      "Are you calling any more witnesses, Mr. Anstey?"

      "Only one, my lord," replied Anstey—"the prisoner, whom I shall put in the witness-box, as a matter of form, in order that he may make a statement on oath."

      Reuben was accordingly conducted from the dock to the witness-box, and, having been sworn, made a solemn declaration of his innocence. A brief cross-examination followed, in which nothing was elicited, but that Reuben had spent the evening at his club and gone home to his rooms about half-past eleven and had let himself in with his latchkey. Sir Hector at length sat down; the prisoner was led back to the dock, and the Court settled itself to listen to the speeches of the counsel.

      "My lord and gentlemen of the jury," Anstey commenced in his clear, mellow tones, "I do not propose to occupy your time with a long speech. The evidence that has been laid before you is at once so intelligible, so lucid, and so conclusive, that you will, no doubt, arrive at your verdict uninfluenced by any display of rhetoric either on my part or on the part of the learned counsel for the prosecution.

      "Nevertheless, it is desirable to disentangle from the mass of evidence those facts which are really vital and crucial.

      "Now the one fact which stands out and dominates the whole case is this: The prisoner's connection with this case rests solely upon the police theory of the infallibility of finger-prints. Apart from the evidence of the thumb-print there is not, and there never was, the faintest breath of suspicion against him. You have heard him described as a man of unsullied honour, as a man whose character is above reproach; a man who is trusted implicitly by those who have had dealings with him. And this character was not given by a casual stranger, but by one who has known him from childhood. His record is an unbroken record of honourable conduct; his life has been that of a clean-living, straightforward gentleman. And now he stands before you charged with a miserable, paltry theft; charged with having robbed that generous friend, the brother of his own father, the guardian of his childhood and the benefactor who has planned and striven for his well-being; charged, in short, gentlemen, with a crime which every circumstance connected with him and every trait of his known character renders utterly inconceivable. Now upon what grounds has this gentleman of irreproachable character been charged with this mean and sordid crime? Baldly stated, the grounds of the accusation are these: A certain learned and eminent man of science has made a statement, which the police have not merely accepted but have, in practice, extended beyond its original meaning. That statement is as follows: 'A complete, or nearly complete, accordance between two prints of a single finger ... affords evidence requiring no corroboration, that the persons from whom they were made are the same.'

      "That statement, gentlemen, is in the highest degree misleading, and ought not to have been made without due warning and qualification. So far is it from being true, in practice, that its exact contrary is the fact; the evidence of a finger-print, in the absence of corroboration, is absolutely worthless. Of all forms of forgery, the forgery of a finger-print is the easiest and most secure, as you have seen in this court to-day. Consider the character of the high-class forger—his skill, his ingenuity, his resource.

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