Page 10 - August 15th 2020 Issue Forensic
P. 10

Crime Scene: A Forensic Market



                                                                                  the criminal cases and can
                                                                                  be presented in the court
                                                                                  of law to serve justice.

                                                                                  Since, every person has a
                                                                                  unique set of fingerprints,

                                                                                  even in the monozygotic
                                                                                  twins, the DNA can be
                                                                                  same but the fingerprints

                                                                                  vary. Since, the finger-
                                              Figure 5: Different kinds of blood spatter
                                                          patterns from Google.com  prints of the individual do
                                                                                  not change in the whole
        ible prints are left which           exhumation it is of im-              lifetime of an individual
        are developed and lifted             portance to collect finger-          which makes the finger-

        by a fingerprint expert              prints from a dead person            prints to be a conclusive
        from various porous sur-             which is done by giving              and irrefutable evidence.

        faces such as dead body,             an injection of saline to            Another evidence that can
        paper etc. and non-porous  the finger of the individual                   be encountered in sexual
        or semi-porous surfaces              and taking prints. Also,             assault cases, homicide

        such as walls, table, chair,  sometimes according to                      cases or in rape cases etc.
        sofa etc. by using vari-             the condition and scenario,          is bite marks. A forensic

        ous physical and chemi-              due the slippage of skin of          odontologist who studies
        cal methods. The physical  corpse a fingerprint expert                    the teeth and its character-
        methods involve the use              can collect fingerprints of          istic features in the mat-

        of various black powders             the dead person by wear-             ters related to law and is
        and fluorescent powders              ing the skin of the victim           called upon to visualize,

        from the surfaces and                over their own skin and              compare and identify the
        several chemical methods  thus taking the fingerprints                    bite marks and in order to
        which includes ninhydrin             of the dead.                         find out the culprit(s) and

        method, iodine fuming                After lifting, developing,           to rule out the suspects.
        method etc. and several              photographing the finger-            There are several factors

        other methods like Spray             prints, the suspect’s and            that can affect the forma-
        particle reagent method              questioned fingerprints are          tion of a bite mark like
        which was developed to               compared with the help               the skin type on which

        lift the fingerprints from           of software and this is              the bite mark is formed,
        the wet surfaces.                    how fingerprints can play            number of clothing pres-

        Sometimes in the cases of  a crucial role in solving

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