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In testifying to fingerprint identification, the expert often
prepares charts to visually aid the court and jury in
understanding the nature of his/her testimony. The preparation
of the chart: - ANSWER-Is often a collaborative effort by the
examiner and district attorney
Any chart presented must be technically correct: That is the
corresponding ridge
characteristics in the two prints must be similarly numbered
and indicated: -
ANSWER-Twelve ridge characteristics are ample to illustrate
an identification,
but it is neither claimed nor implied that this
number is required
A chart will present a clearer, neater, and more pleasing
appearance if it is
,numbered: - ANSWER-Clockwise and the numbered are
evenly spaced
Has always been a part of friction ridge comparison, but its use
an independent
identification science is not feasible - ANSWER-
Edgeoscopy
Was originally coined by Salil K. Chatterjee in a paper
published in "Finger Print and Identification Magazine" ,
September 1962 issue. - ANSWER-Edgeoscopy
Involves the use of edge shapes during comparison and does
not require the
shape to be classified. One shape is compared to another
and found to be
consistent or not. - ANSWER-
Edgeoscopy
How long does it generally take for Ninhydrin treated prints
to naturally, fully
develop - ANSWER-Several
weeks
The development of Ninhydrin treated prints may be
accelerated with the use
,of? - ANSWER-Heating and
Humidification
Ninhydrin which uses a Freon solvent virtually eliminates the
following problem
when processing porous materials for latent prints? -
ANSWER-Ink running
Ninhydrin may be applied using what methods? -
ANSWER-1. Dipping
2.
Brushing
3.
Spraying
Physical Developer (PD) is what kind of aqueous reagent? -
ANSWER-Silver-
based
Physical Developer reacts with components of sebaceous
sweat to form what
colored deposit? - ANSWER-
Grey-silver
, Physical Developer is a very effective reagent for developing
latent fingerprints
on paper which has been: -
ANSWER-Wetted
These flake powders have been shown to be more sensitive
than most other
types of powders - ANSWER-
Aluminum
Which latent print development technique was replaced by the
Ninhydrin/Physical Developer combination for treating porous
materials for latent prints? - ANSWER-Silver Nitrate
Silver Nitrate reacts with what component present in
fingerprint deposits? -
ANSWER-
Chlorides
Small Particel Reagent (SPR) is a latent print development
technique that may be used on all non-porous surfaces
including those which are ... – ANSWER-Wet
What does Small Particle Reagent adheres to in the
fingerprint deposit? -