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The Role of Physical Clues in Detection of Crimes

Author Affiliations

  • 1Department of Criminology, and Forensic Science, Karnatak Science College, Dharwad, Karnataka, INDIA

Int. Res. J. Social Sci., Volume 2, Issue (4), Pages 16-23, April,14 (2013)

Abstract

In order to appreciate fully the potential value of physical evidence, the investigator must have an understanding of the difference between class and individual characteristics. When the characteristics of physical evidence are common to a group of objects or persons, they may e termed class. Regardless of how thoroughly examined, such evidence can only be placed into a broad category; an individual identification cannot be made as there is a possibility of more than one source for the material found ' Examples of this type of evidence include blood, hair, soil, glass fragments too small to be matched to broken edges, and tool narks or shoe prints in instances where microscopic or accidental markings are insufficient for positive individual identification. Evidence with individual characteristics can be identified as having originated with a particular person or source; it is the ability to establish individuality which distinguishes this type of physical evidence from that possessing only class characteristics.

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