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How Crime is Detected and Prevented
- Essay length: 4833 words
- Submitted: 20/08/2003
The first 200 words of this essay...
How Crime is Detected and
In this essay I will describe and explain how different methods are
used to detect and prevent crimes. The different types are Alcohol,
Arson, Ballistics, Blood, Documents, Drugs, Explosives, Fibres,
Fingerprints, Footprints, Glass, Hair, Paint, Plastic, Pollen, Soil
and finally Teeth.
ALCOHOL: When a person is suspected of being under the influence of
alcohol, the police can test them with different types of machines.
These machines are called breathalysers. The Lion Alcolmeter S-L12 is
the most common of these. These machines test the breath for traces of
alcohol. If the suspect tests positive, they will be detained until
they are cleared. Other ways of detecting alcohol on a person are
physical tests. The police will ask the suspect to perform certain
actions such as walking in a straight line and following a finger with
ARSON: When the forensic gets to the scene he must be very careful. An
arson attack would burn away most of the evidence
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