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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