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INFORMATION – in police operation, it refers to all
evaluated materials of every description including
those derived from observation, reports, rumors,
imagery, and other sources from which intelligence
in produced. Information is a communicated
knowledge by others obtaining by personal study,
investigation, research, analysis, observation.

INFORMER – a person who gives information to the
police for price or reward.

INFRARED EXAMINATION – the examination of
documents employs invisible radiation beyond the
red portion of the visible spectrum (rainbow) which
is usually recorded on a specially sensitized
photographic emulsion.

INFRARED SPECTROPHOTOMETER – is a device
that identifies samples by recording the amount of
infrared light that passes through them; used to
detect residues of flammable-liquid accelerants at
fire scenes.

INFRINGEMENT – an invasion of one of the exclusive
rights of intellectual property. Infringement of a
utility patent involves the making, using, selling,
offering to sell, or importing of a patented product
or process without permission.

INGRESS – a way of entering or travelling into a
location. Is used when describing which vehicle
movements may be permitted at an intersection
(such as ingress-only barriers). Is also used when
describing the location of driveways and walkways
which provide access into a property.

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