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Bone Markings

Bone Markings

Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into articulating projections, processes for attachment, depressions, and openings.
Articulating Projections
Articulating projections are found where two bones meet to form a joint. These structures are usually found at the ends of bones. The largest articulation is a rounded projection called the head, supported by a narrow neck at the ends of...

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Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

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Two small linear marks on a mandible: collaborative networking between forensic experts.

Jun Kanetake¹, Kazuhiro Sakaue, Jun Sakai

¹Division of Forensic Medicine, Department of Public Health and Forensic Medicine, Tohoku University School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan.

Legal Medicine (Tokyo, Japan)

|August 19, 2007

Summary

Forensic anthropology expert analysis of unique marks on a mandible helped solve a mutilation murder case. This highlights the value of multidisciplinary forensic investigations, especially when dealing with limited expertise.

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Area of Science:

Forensic Anthropology
Forensic Pathology
Sharp Force Trauma Analysis

Background:

The case involved a human mandible discovered with no identifying associated items.
Initial police investigation overlooked subtle but crucial evidence on the bone.
A multidisciplinary approach was initiated with the involvement of a forensic anthropologist.

Observation:

Two small, linear marks (0.6 cm) were identified on the right condylar process of the mandible.
The marks were consistent with infliction by a sharp object, ruling out animal activity.
Similar marks on subsequently discovered remains confirmed a pattern of mutilation.

Findings:

The anthropological findings were instrumental in identifying the case as a mutilation murder.
The marks provided critical evidence leading to the identification and arrest of a suspect.
The suspect confessed and was convicted, resolving a year-old missing person case.

Implications:

This case underscores the importance of forensic anthropology in interpreting skeletal trauma.
It emphasizes the need for collaboration between forensic pathologists and anthropologists for comprehensive investigations.
The authors advocate for enhanced networking, including online platforms, to support forensic experts and training.