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Personal identification from human remains using morphological characteristics and DNA analysis

M Nagao1, Y Yamada, W D Zhang

  • 1Department of Forensic Medicine, Faculty of Medicine, University of Tokyo, Japan.

Nihon Hoigaku Zasshi = the Japanese Journal of Legal Medicine
|April 1, 1994
PubMed
Summary

Forensic science successfully identified dismembered human remains using DNA analysis and physical characteristics. This case highlights the effectiveness of advanced DNA typing in personal identification, even with fragmented remains.

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Area of Science:

  • Forensic science
  • Genetics
  • Anthropology

Background:

  • A 69-year-old woman disappeared in 1992.
  • Dismembered human remains, including a torso, head, neck, and two forearms, were recovered from a river over a two-week period.

Observation:

  • Initial anatomical examination revealed inconsistencies between the forearms, but the cervical vertebra matched the torso.
  • DNA analyses using single-locus (pYNH24) and multi-locus (Myo) probes, along with DO alpha typing, indicated all four body parts belonged to the same individual.
  • The torso exhibited medical characteristics, including right upper pulmonary lobectomy, mild thoracic scoliosis, and a second lumbar vertebral compression fracture, consistent with the missing woman's medical history.

Findings:

  • DNA fingerprinting, utilizing DNA from the torso, the missing woman's brother, and her daughter, confirmed the remains belonged to the missing individual.

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  • The combination of physical characteristics and advanced DNA profiling techniques provided conclusive identification.
  • Implications:

    • This case demonstrates the critical role of DNA analysis in forensic investigations for identifying individuals from fragmented remains.
    • It underscores the importance of comprehensive DNA profiling in establishing familial relationships and confirming identity in complex cases.
    • The study reinforces the value of integrating traditional forensic methods with molecular biology techniques for robust identification.