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Microscopic Procedure

Home > Cartridge and Shotshell Examination > Fired Case Examination > Microscopic Procedure

The following preliminary steps should be addressed prior to any of the case comparisons:

  • Review laboratory protocols, as needed.
  • Complete administrative requirements:
    • Chain of custody.
    • Marking of evidence.
    • Laboratory case identifiers.
    • Investigative file identifier.
    • Examiner identity.
    • Quality assurance.
  • Follow laboratory safety protocols.
  • Determine the presence of trace evidence and follow laboratory protocol for collection.

    Examples of trace evidence:
    • Paint.
    • Glass.
    • Blood.
    • Bone.
    • Soft tissue.
    • Hair.
    • Fibers.
    • Wood.
    • Metal smears.
    • Masonry.
    • Stone.
  • Determine if latent fingerprint examinations should be performed prior to toolmark examinations.
  • Determine if other examinations (not requested) should be performed. If so, coordinate with the investigator.

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