A stab wound from a single edged weapon. How to identify?

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SUMMARY

The discussion focuses on identifying stab wounds created by single-edged knives, emphasizing the distinction between the blade tip and the blade belly. Participants analyze a specific wound, noting that the sharpness of the wound's edges indicates it was made by a single-edged knife. Key factors in forensic analysis include the depth and length of the wound, which help differentiate between stabbing, slashing, and incised wounds. The conversation highlights the importance of examining wound characteristics under magnification for accurate identification.

PREREQUISITES
  • Understanding of single-edged and double-edged knife anatomy
  • Knowledge of forensic wound analysis techniques
  • Familiarity with wound classification: stabbing, slashing, and incised wounds
  • Experience with magnification tools for detailed examination
NEXT STEPS
  • Research forensic analysis of knife wounds using single-edged knives
  • Study the characteristics of stab wounds versus slash wounds
  • Learn about the impact of wound depth and length on forensic conclusions
  • Explore techniques for using magnification in forensic examinations
USEFUL FOR

Forensic analysts, law enforcement professionals, medical examiners, and anyone involved in the investigation of knife-related injuries will benefit from this discussion.

sameeralord
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Hello,

Here is single edged knife.

fixed_anatomy.jpg


Consider
spine= blunt end
blade belly = sharp cutting edge

Here is the wound

FOR028.jpg


Now the really pointed end at the left side of the wound, is it created by blade tip or the blade belly (sharp cutting edge). This might be obvious but I'm bit confused at how this wound is created, when I look at double edged wounds. Thanks :smile:

FOR115.jpg


Double edged left, single edged right.
 
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Is this for forensics analysis of knife wounds?
Your motive might be questioned if there is any legalities involved.

A knife can be used to stab, slash, or cut.
Subsequently, the wound can be either a stabbing wound, a slashing wound or an incised wound.

You have to check depth and length of wound to narrow further down.
 
sameeralord said:
Hello,Consider
spine= blunt end
blade belly = sharp cutting edge

Here is the wound

FOR028.jpg


Now the really pointed end at the left side of the wound, is it created by blade tip or the blade belly (sharp cutting edge). This might be obvious but I'm bit confused at how this wound is created, when I look at double edged wounds. Thanks :smile:

FOR115.jpg


Double edged left, single edged right.

Do you mean this wound looks double-edged to you?. It was created from a single edged knife, as you can tell from the sharpness of the nearer extremity of the wound. Perhaps you were thinking one wound edge should be more ragged, but the skin has separated and wound edges have become more stretched out, reducing the contrast between the two edges. You don't see this in clay. If you looked at this under magnification, I think you could tell the difference between the wound edges.
 
Last edited:
It appears to have been created with a small single edge knife. The puncture doesn't look very deep. Some adipose tissue appears to be visible.
 

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