Advances in Fingerprint Technology.pdf

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The initial identification of the latent print is made by comparing it with the inked print using 4× or 5× magnifiers. After determining the general pattern area of the latent print, a reference point is selected by the examiner to begin the search for matching characteristics in the inked print. The reference point may be one of the focal points of the pattern, core or delta, or several ridge characteristics that are near each other. After locating similar characteristics in the inked print, the examiner again observes the latent print for additional ridge characteristics that are near those previously selected and that match. This process is repeated until the examiner is satisfied that there is sufficient agreement between the two prints to form a conclusion as to identity. In addition to locating points of similarity and establishing their unit relationship, the examiner must also search both prints for ridge characteristics that may appear in one impression, but not the other: in other words, dissimilarities between the two prints. If the “apparent” dissimilarity can be explained by the examiner as the result of natural phenomena, it is not a dissimilarity insofar as identity is concerned. If, however, no explanation can be found for the dissimilarity, the examiner cannot conclude a positive identification. This rule is often referred to in identification literature as the “onedissimilarity doctrine.” Color reversal of latent prints is not an uncommon occurrence, and it is a possibility that an examiner must always consider. Color reversal occurs when the color of the ridges is the opposite of that expected. For example, a black powder is applied to a surface, but the ridges appear white against a black background. Color reversal may also occur when excessive pressure is applied, pushing the latent print residue between the ridges for final deposit on the receiving surface. If pore details are present in the print, color reversal is apparent by the presence of the pores in what may at first appear to be the furrows of the print. In some instances, the ridge characteristics may be present, but the ridge count between some of the characteristics may be off by one ridge. Generally, when there has been a color reversal of the ridges, characteristics such as an enclosure may appear as a short ridge. However, this is not always the case and it is possible to have a latent print in which the ridge events are the same regardless of how the color of the ridges is viewed. In instances such as the latter, any arguments regarding the color of the ridges would be superfluous and would distract from the real issue of identity. Distortions may be found in a fingerprint as a result of pressure applied to the finger or because of the curvature of the receiving surface. Failure to understand the effects of distortion and the techniques for resolving such problems has been a handicap to many inexperienced examiners. Figure 2.7 is an example of pressure distortion in known fingerprints from the same
Flowchart Start I1 D1 D2 D3 D4 D5 D6 No Stop Protocol I1 - Examine latent print. D1 - Is it a friction skin impression? D2 - Is there image reversal? [If a lift, what type of lifting material was used?] D3 - Is there color reversal of the ridge details? [If YES, is the reversal total or partial?] D4 - What area of friction skin made the latent print? D5 - Determine pattern type or ridge flow. Figure 2.5 Flowchart. Problem-solving protocol and flowchart for the examination of a latent print. finger. Note that in the core of the print on the left, there is a ridge ending, whereas in the print on the right, that same ridge is part of a recurving ridge. The examiner can readily understand and conclude that the “apparent” dissimilarity has been caused by pressure distortion by establishing the proper relationship of the ridges in the core to other ridge characteristics in the print and by tracing the ridges involved with a pointer.
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Advances in Advances Fingerprint Te
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Advances in Fingerprint Technology
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Preface The first edition of this b
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Acknowledgments We gratefully ackno
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Table of Contents Preface Acknowled
Page 14 and 15: History and Development of Fingerpr
Page 16 and 17: Figure 1.2 Basic fingerprint patter
Page 18 and 19: Figure 1.3 Portion of the prehensil
Page 20 and 21: Figure 1.4 Elliptical whorl. Theory
Page 22 and 23: The bricks, carefully laid and accu
Page 24 and 25: the megalithic builders, including
Page 26 and 27: made most of them. These “identif
Page 28 and 29: Figure 1.6 Nehemiah Grew. (Drawn by
Page 30 and 31: Figure 1.7 Right palm imprint in pl
Page 32 and 33: By kindly words of persuasion a ref
Page 34 and 35: Loop: Now if this oblique stripe by
Page 36 and 37: Figure 1.11 Dr. Ivan Vucetich. (Dra
Page 38 and 39: Sir Edward Henry and Sir William He
Page 40 and 41: in charge he undoubtedly supported
Page 42 and 43: 1. Finding finger imprints on prehi
Page 44 and 45: Faulds edited seven issues of a fin
Page 46 and 47: much of his inspired research. For
Page 48 and 49: to the unrelenting efforts of Steeg
Page 50 and 51: and gathered around him a nucleus o
Page 52 and 53: I find that portions of palm imprin
Page 54 and 55: Identification of Latent Prints ROB
Page 56 and 57: Without it, no amount of further la
Page 58 and 59: work will quite often fare badly un
Page 60 and 61: Figure 2.3 Polygon method. Overlay
Page 62 and 63: Experience and Skill Although the t
Page 66 and 67: D5 D6 D7 I2 D8 D9 D10 No No No Reco
Page 68 and 69: D11 I4 No D12 D11 I5 D12-1 D7 D12-2
Page 70 and 71: D14 I7 D16 C3 D11 D14-2 D7 D14-3 C2
Page 72 and 73: Figure 2.7 Example of pressure dist
Page 74 and 75: 9. Mairs, G., Novel method of print
Page 76 and 77: DNA From Latent Prints DNA From Blo
Page 78 and 79: Figure 3.1 A schematic diagram show
Page 80 and 81: Figure 3.3 A schematic diagram of t
Page 82 and 83: (5 to 12 µg/L), bromide (0.2 to 0.
Page 84 and 85: electrophoresis (SDS-PAGE) include
Page 86 and 87: Table 3.3 Anatomical Variation in t
Page 88 and 89: Various oxidative and bacteriologic
Page 90 and 91: acid content can change with time i
Page 92 and 93: are of sebaceous origin. 82 Approxi
Page 94 and 95: Table 3.7 Changes in Surface Lipid
Page 96 and 97: gland’s activity. The more active
Page 98 and 99: content. 108 Palmitic acid was foun
Page 100 and 101: Figure 3.4a A chromatogram of a fin
Page 102 and 103: various lipid classes found in a la
Page 104 and 105: of DNA using RFLP. 130 No adverse e
Page 106 and 107: was later found to be caused by the
Page 108 and 109: 17. Seutter, E., Goedhart-De Groot,
Page 110 and 111: 52. Downing, D. T., Strauss, J. S.,
Page 112 and 113: 85. Summerly, R., Yardley, H. J., R
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120. Duff, J. M. and Menzel, E. R.,
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149. Kloosterman, A., Application o
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Coumarin 540 Dye Staining Method An
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visualization of latent fingerprint
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White powder Dolomite, starch powde
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Fluorescein solution (in methanol/w
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Notes: Dissolve the MoS 2 in the di
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4. Avoid inhaling any iodine fumes
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CN CN CN A - A - CH2 C COOR CH2 C C
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Large vacuum chambers for processin
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Gentian Violet Solution — Non-Phe
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Table 4.1 Approximate Absorption an
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and recorded by autoradiography. Ni
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Ninhydrin solutions may be applied
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of development of ninhydrin-treated
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and certain nonreactive surface mat
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Procedure Xylene 50 mL Petroleum et
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ehavior of Ruhemann’s purple-meta
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4. Rinse the specimen in tap water.
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een treated with ninhydrin. In addi
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Working solution Stock solution 6 m
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Note: Combine and stir until citric
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Zauner 181 noted that on a rare occ
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3. Expose the tape surface to a hig
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lifting media were used, followed b
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under certain circumstances. The Br
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Physical Methods Visual Examination
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DRY Super Glue Fuming Powder Dustin
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Visual Examination Photography Iodi
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References 1. Olsen, R. D., Scott
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36. Springer, E. and Bergman, P., A
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74. McCarthy, M. M., Evaluation of
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110. Mooney, D. G., Development of
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142. Pounds, C. A., Grigg, R., and
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175. Jones, R. J. and Pounds, C. A.
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213. Hebrard, J. and Donche, A., Fi
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245. Misner, A., Wilkinson, D., and
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Fingerprint Development by Ninhydri
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Figure 5.1 2,2-Dihydroxy-1,3-indane
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Figure 5.4 Formation of murexide (V
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Figure 5.6 The 1,3-dipole form of t
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less volatile 1,1,2-trichloroethane
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Key to Routes Primary Special Secon
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Specially designed cabinets for che
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the importance of cooling the objec
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Figure 5.10 Ninhydrin (I) and some
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een prepared and evaluated as finge
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Figure 5.14 The red pigment formed
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Figure 5.16 The fluorescent product
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16. Pounds, C.A. and Jones, R.J., P
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51. Jungbluth, W.O., Replacement fo
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87. Kent, T., An operational guide
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116. Kobus, H.J., Pigou, P.E., Dell
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147. Dayan, S., Almog, J., Khodzhae
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Figure 6.1 Ninhydrin/ZnCl 2 vs. nin
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purposes of understanding their pho
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Ar-laser image monitor lens light c
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laser Figure 6.6 Block diagram of p
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step 1 step 2 step 3 fingerprint co
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nanocrystals. Photoluminescent semi
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Figure 6.11 Photoluminescence of fi
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H H H H N N CH2CH2 CH2CH2 H N N H N
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sample, rather than preferential ad
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O R C OH + R' NH2 R C Figure 6.16 G
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The amidation reaction depicted in
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R 1 - COOH + HO - N R 1 O C N H Fig
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29. Sooklal, K., Hanus, L.H., Ploeh
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Procedure Water and Acid Pretreatme
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The Silver Physical Development Pro
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(in the emulsion) the silver and si
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ions (found only on paper that has
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as that of print residue on porous
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+ + + + + + + Cit 3- Cit 3- Cit 3-
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Saunders. 22 Both workers recognize
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Figure 7.2 Scanning electron micros
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paper and these convert to ferric o
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Water and Acid Pretreatments The wa
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Figure 7.4 Comparison of a ninhydri
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Figure 7.7 Comparison of a ninhydri
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(0.2%) to not form silver oxide whe
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X-Ray and Scanning Electron Microsc
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is much to be done to optimize the
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3. Margot, P. and Lennard, C., Fing
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35. Morris, J.R. and Wells, J.M., A
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Introduction More than a century ha
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False Reject Rate (FRR) Civilian Ap
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Fingerprint Quality Acquisition Est
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finger gets mapped onto the two-dim
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(a) (b) (c) Figure 8.3 Fingerprint
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In forensics, a special kind of ink
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L A B (a) Finger Friction Surface R
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Fingerprint Representation A finger
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(a) (b) (c) (d) Figure 8.8 A finger
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Figure 8.10 Relative configuration
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A minutiae feature extractor finds
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depicting a ridge in the fingerprin
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1. Singular points. The Poincare in
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Table 8.2 shows the results of the
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(a) (b) Figure 8.13 Two different i
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ox size is adjusted based on the es
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(a) (b) Figure 8.16 Fingerprinting
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0.5 -0.5 -1 200 1 0.8 0.6 0.4 0.2 1
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andpass filters and extracts ridges
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(a) (b) Figure 8.19 Examples of enh
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A significant implication of the ab
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or otherwise. Therefore, there are
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Conclusions and Future Prospects Fi
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WSQ-related illustrations (Figure 8
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37. Siemens. The ID Mouse from Siem
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69. L. Hong, A. Jain, and S. Pankan
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Trauring Model (1963) Description o
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correspondence in friction ridge de
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extreme variability of friction rid
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5. Trauring 19 6. Kingston 20 7. Os
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variation need have no relationship
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1. Fork directed to the right 2. Fo
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e closer to reality. In any case, t
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There is not only opportunity for c
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that, in practice, it is relative d
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e the probability that there will b
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Correction factors (G) were introdu
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fingerprint individuality into two
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appreciated that the number of tria
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a corresponding reference point is
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Table 9.1 Kingston’s Relative Fre
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minutia counts in different-sized r
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If one is to use the compound forms
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Osterburg Model (1977-1980) Descrip
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of any occurrences that appear in t
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minutiae. Both the Kingston and Ost
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minutia orientation results in regi
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Orientation for minutiae was define
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the allowable combinations of minut
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selected for the study, based on th
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Table 9.4 Champod’s Upper Bound F
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that Champod and Margot proved to b
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fingerprint was isolated. This area
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that, for the experiments as design
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can be encouraged by the dedication
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37. Amy, L., Valeur de la preuve en
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The Expert Fingerprint Witness ROBE
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Qualifications of the Fingerprint E
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7. Results of comparisons conducted
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granted for a pretrial conference,
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any examination that I have conduct
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to fully understand the meaning of
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When seated in the witness stand, t
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jury but looked down at the floor i
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Courtroom Courtesy When in court, i
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If the attorney does not have the p
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Glossary of Commonly Used Courtroom
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Indictment An accusation in writing
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APPENDIX Daubert Hearings EDWARD GE
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The U.S. Government set presented e
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Presided over by the Honorable J. C
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