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Criminalistic Methods Laboratory

A fully equipped laboratory to facilitate the analysis of evidence recovered from crime scenes.

The types of recovered evidence are many and varied. Many analysis techniques are non-destructive, and some examples are given below with each evidence type:

  • Fingerprints
    • Chemical enhancing reagents
    • Cyanoacrylate (superglue) fuming
    • Humidity treatment
    • Alternative light sources and DCS5 for visualisation of fluorescent dyed fingerprints.
  • Questioned documents
    • Electrostatic Document Analyser (ESDA) for visualisation of indented writing.
      • Video Spectral Comparators (VSC) for ink analysis and checking questionable document security features.
    • Raman spectrometer for ink comparison to check for alteration of documents.
  • Illicit substance
    • A range of presumptive testing chemical reagents.
    • Fourier Transform Infra-red spectroscopy (FTIR).
    • Raman spectrometer.
  • Glass
    • Two high power microscopes equipped with video cameras and warming stages to allow measurement of the sample refractive index.
  • Footwear
    • Casting equipment for footwear impressions.
    • Inkless visualisation system to allow comparison with the cast.
    • Electrostatic Lifting Apparatus (ESLA) for lifting dusty footwear marks from hard surfaces.
  • Tool mark impressions
    • Casting silicone for comparison to suspected tool marks.
    • Macro comparison microscope system, for the comparison of cartridge cases from firearms.
  • Hairs and fibres
    • Two high-powered comparison microscope systems for comparison of trace evidence.
    • FTIR microscope for determining the infra-red spectra of trace evidence. 

Equipment

  • Thermo-Nicolet iS10 FTIR spectrometer coupled to a Centaurus microscope.
  • Renishaw inVia twin laser Raman microscope system.
  • Foster and Freeman Foram 685-2 Raman spectral comparator.
  • Foster and Freeman ESDA system.
  • Foster and Freeman VSC4+ video spectral comparator.
  • Leeds Forensic LCT comparison microscope system.
  • Nikon LV400POL microscope with camera and warming stage.
  • Mason Vactron MVC3000 superglue fuming cabinet.
  • Foster and Freeman SUPERfume portable superglue fuming equipment.
  • Pathfinder portable ESLA. × 3
  • Fluoroscope.

Staff

Photo of Criminalistic Methods Laboratory