You are a crime investigator who has been called upon to investigate a
case. You evaluate the case by formulating a hypothesis and later testing it.
View a photograph taken at a crime scene: I will upload the picture
On the basis of your understanding of the
scenario, discuss the following:
·Assume that you encounter a bloodstain
similar to what is given in this photograph. Keeping this photograph in mind,
oWhat would you conclude from such evidence
at the crime scene?
oWhat led to the above conclusion?
oWhat hypothesis would you arrive at?
oHow would you test your hypothesis?
·Taking photographs of the evidence is an
important step towards documentation and preservation for further analysis of
Keeping in mind your experience and
knowledge about forensic photography, discuss:
oWhat forensic photography steps would you
take to properly document the bloodstain shown in the photograph?
oDo you need to ensure anything before you
start taking photographs? If yes, what do you need to ensure?
oHow many pictures would you take to ensure
that the evidence is properly documented for further analysis?
oWhat type of photography do you think is
most suitable for this kind of bloodstain pattern?
oWhat precautions would you practice while
you photograph the bloodstain evidence to ensure clarity?
·Different presumptive tests having varying
degrees of sensitivity are used in crime scene investigation to detect trace
amounts of bloodstains.
Based on your knowledge of presumptive tests
for bloodstains and this photograph, answer the following:
oWhat are the various presumptive tests that
can be applied to detect the bloodstains in the given photograph?
oWhich test would you apply to detect the
bloodstain in this case?
oWhy did you choose this method above all the
methods that are available?
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