Significance of Physical evidence


The physical evidence  merely  used  to identify the offender from the physical  techniques.Identification  has its purpose  to determination of the physical  or chemical  identity of a substance with  as near   absolute  certainty as existing analytical techniques will perform.


Another significance of physical evidence is comparison  the collected evidence with the same characters object or the things.Analysis is subject to a suspect specimen, and control specimen to the same  tests and examinations for the ultimate purpose of determining  whether or not  they have  a common origin.