Transcript Police Photography

Definition of terms
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Photography
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The art and science of reproducing image means of light
through some sensitized material with the aid of camera,
lens and accessories and the chemical process required
in order to produce a photograph
Forensic
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Derived from the latin word “forum” which means “a
market place” where people gathered for public discussion
When used in conjunction with other sciences it connotes
a relationship to the administration of justice. It is
sometimes used interchangeably with the word legal.
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Police Photography
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The application of the principles of photography in
relation to the police work and in the administration
of justice
Photograph
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The mechanical and chemical result of photography
Picture and photograph are not the same. Picture is
a generic term which refers to all kinds of formed
image while photoraph is an image that can only be
a product of photography
Use of Photography
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Personal Identification
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Considered to be the first application of photoraphy
in police work
Alphonse Bertillion was the first police to utilize
photography in police work as a supplementary
identification in the anthropometry system
Communication
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Photograph is considered to be one of the most
universal methods of communication considering
that no other language can be known universally
than photography
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For Record Purposes
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Considered to be the utmost use of photography in police
work. Examples:
General View
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Medium View
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Taking of photograph of the scene of the crime by dividing it into
section
Best view of the nature of the crime
Close-Up View
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Taking an over all view of the scene of the crime
Shows the direction and location of the crime scene
Taking of individual photograph of the evidence at the scene of
the crime
Designed to show the details of the crime
Extreme Close-Up View
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Commonly designed in laboratory photographing using
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For Preservation
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Crime scene and other physical evidence requires
photograph for preservation purposes
Crime scene cannot be retained as is for a long
period of time but through photograph the initial
condition of the scene of the crime can be
preserved properly
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For Discovering and Proving
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Photography can extend human vision in discovering and
proving such as:
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Use of Magnification:
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Photomicrography
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Photomacrography/ Macrophotography
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Taking a magnified (enlarged) photoraph of small object by
attaching an extended tube lens (macro lens) to the camera
Microphotography
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Taking a magnified photograph of small object through attaching
a camera to the ocular of a compound microscope so as to show
minute details of physical evidence
Process of reducing into small strips of film a scenario
First used in film making
Telephotography
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Taking of a photograph of a far away object with telephoto lens
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Use of artificial light such as x-ray, ultra-violet, infrared rays to show something shich may not be
visible to the human eye
For Court Exhibits
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Almost all evidence presented in court before
formally be accepted requires that they satisfy the
basic requirements for admissability which is
relevancy and competency.
Evidence presented and accepted in court is
referred to as evidence
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Exhibit 1, 2, 3 – Defense
Exhibit A, B, C – Prosecution
Crime Prevention
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With use of video camera (hidden camera) and
other advance phtographic equipment are being
detected more easily and prevent it from occuring
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Police Training
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Modern facilities are now being used as instructional
material
Reproducing and Copying
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Any number of reproduction of the evidence can be
made giving unlimited opportunity for its examination
and allow experts or other person to examine
specimen without compromising the original
Essentials of Photography
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Light
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Camera
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Lens
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Sensitized Material
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Chemical Process