Problems from White and Doering text: 2.1 Consider the design problems involved

Question

Problems from White and Doering text:

2.1 Consider the design problems involved in providing security for a

student laboratory room. Discuss briefly or list concisely the situations to

be detected and dealt with, such as entry of an unauthorized person or

removal of equipment from the room. Questions to be considered include

detecting that a person is unauthorized, detecting that equipment is being

removed, actions to be taken, false alarms, and the effect of a limited

budget on the design. Where could you find information about such

systems?

2.2 Assume that you are going to design the ultimate music system for a

five-room dwelling. Outline briefly how a superb system would function,

and outline a less fancy

Explanation / Answer

The investigating officer, on reaching the scene of crime should secure the crime scene from getting disturbed or being changed by any persons, intentionally or unintentionally. The best physical evidence is normally found at the place where use of force against persons or property has taken place. Sometimes valuable pieces of evidence may be discarded or dropped or it may fall off accidentally or inadvertently at some distance from the scene of crime. Such spots also need proper protection. All such critical areas should be secured from intruders and stray animals or neighbours,
friends, sympathizers, curious onlookers, newspaper reporters, press photographers and others who are not officially connected. The whole area should be cleared of all unauthorized persons in quickest possible time. The Press and other Media should be requested to keep beyond the barricaded/secured area. The following steps should be taken for protection of the scene of the crime:

A. Cordon off the scene and surroundings, access and exit points effectively.
B. Identify and persuade to retain the person who first informed the Police. Or, note his address, telephone number etc.
C. Persons who are likely to provide information, investigation leads and other pertinent details should be segregated and examined for collecting all possible information, Eye-witnesses should be requested and allowed to stay at earmarked place for examination.
D. Physical evidence should be protected from pet animals like dogs, cats, rabbits, etc., and also rats, mice and birds, as also from adverse environmental
influences such as wind, rain, sunlight, dust, smoke moisture, etc.
E. No physical evidence should be disturbed from its original position without properly recording it. Jewellery, keys currency notes and other valuable items
with evidentiary value, vulnerable to theft from the scene, should be removed and preserved after a seizure list is drafted.
F. During the preliminary inspection of the crime scene care should be taken to ensure that nothing is inadvertently dropped such as cigarette butts, match
sticks, empty packs of cigarettes, match boxes, ash, etc. and nothing is touched that may cause interference with the fingerprints, footprints, etc., and nothing
is added such as hair etc.
G. All physical evidence/traces should be lifted only after recording and thoroughly searching the crime scene. Where traffic is to be restored or place
required for use, the examination of scene and other work should be completed as expeditiously as possible but with thoroughness

H. It should be borne in mind that evidence may not always be visible to eye. Even if visible, it may escape a non-observant eye or may not appear relevant.
It is therefore necessary that the scene or places be subjected to close scrutiny both by experts and the Investigating staff.

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