T HE FINGERPRINT DETECTION ( R ) EVOLUTION Dr Xanthe Spindler Why - - PowerPoint PPT Presentation

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T HE FINGERPRINT DETECTION ( R ) EVOLUTION Dr Xanthe Spindler Why - - PowerPoint PPT Presentation

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THINK.CHANGE.DO T HE FINGERPRINT DETECTION ( R ) EVOLUTION Dr Xanthe Spindler Why fingerprints? Rapid throughput Maximise chances of identification Potential for intelligence gathering UTS: Centre for Forensic Science

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THINK.CHANGE.DO

THE FINGERPRINT DETECTION (R)EVOLUTION

Dr Xanthe Spindler

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UTS: Centre for Forensic Science

Why fingerprints?

  • Rapid throughput
  • Maximise chances of

identification

  • Potential for

intelligence gathering

http://www.moronail.net/img/2018_csi_keep_zooming_in_and_enhancing

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UTS: Centre for Forensic Science

Why fingerprints?

Complementary

http://www.moronail.net/img/2018_csi_keep_zooming_in_and_enhancing

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UTS: Centre for Forensic Science

Why fingerprints?

  • Unique
  • Immutable
  • Unchanging
  • Universal (almost!)
  • Easy to classify
  • Imprinted on everything we touch!
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UTS: Centre for Forensic Science

The birth of fingerprinting

  • The incumbent: anthropometry
  • Challengers:

– Sir William Herschel (India) – Dr Henry Fauld (Japan) – Sir Francis Galton (England) – Sir Edward Henry (England) – Dr Juan Vucetich (Argentina)

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The birth of fingerprinting

1891 1892 1894 1902 1903 1904 1912 1928 1957 1968 Will West William West

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So who stole the wine?

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So who stole the wine?

Liana Claire

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Finding fingerprints

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The The Cha Challe llenge: nge:

To detect a miniscule amount of sample in situ without destroying or degrading the pattern

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Don’t believe everything you see...

Bones (Season 6, Episode 5); Fox Network

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The real VMD

  • N. Jones, Metal deposition techniques for

the detection and enhancement of latent fingerprints on semi-porous surfaces, University of Technology, Sydney 2008

  • T. Merten, Alternative vacuum metal

deposition methods for the detection of latent fingermarks, University of Technology, Sydney 2011

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The nanoscale world

MJ Choi et al., Journal of Materials Science, v. 43 pp 732- 737 MJ Choi et al., Forensic Science International, v. 173 pp 154-160

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Looking into the heart of a reaction

Indanedione-zinc

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UTS: Centre for Forensic Science

Covert fingerprints

Thermal fingerprint device

TFD-2, Foster + Freeman

http://www.fosterfreeman.com

  • A. Brown, D. Sommerville et al.,

Journal of Forensic Sciences

  • v. 54 pp 114-121.
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At the other end of the spectrum

  • S. Chadwick et al., Journal
  • f Forensic Sciences, v. 56

pp 1505-1513

  • S. Chadwick et al., STaR 11 Coated

Aluminium Oxide Nanopowder for the Detection of Latent Fingermarks on Adhesives and Wet Surfaces, 6th European Academy of Forensic Sciences Meeting, August 20-24 2012

  • S. Chadwick et al., Forensic

Science International, v. 219 pp 208-214

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Viewing things through a different lens

  • R. Ma et al., Forensic

Science International,

  • v. 207 pp. 145-149
  • R. Ma et al., Forensic

Science International,

  • v. 217 pp. e23-e26
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Taking the next step

Antibodies and aptamers

  • X. Spindler et al., Chemical

Communications, v. 47 pp 5602- 5604

  • M. Wood et al., A Novel Approach to Latent

Fingermark Detection Using Aptamer-Based Reagents, 6th European Academy of Forensic Sciences Meeting, August 20-24 2012

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So what does the future hold?

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Talk to your children about science.