IAI LP CERTIFICATION EXAM
2024 LATEST UPDATED
COMPLETE
300 QUESTIONS WITH DETAILED
VERIFIED AND 100% CORRECT
ANSWERS ACTUAL BRAND-NEW
EXAM GRADED A+
Of all the solvents used for Ninhydrin solutions, the
following result in the least damage to inks: -
....ANSWER...1. Freon 113
2. Ethyl Ether
3. Petroleum Ether
If kept for any length of time, silver nitrate solutions
should be kept: - ....ANSWER...In a well-stoppered dark-
colored bottle or in a dark place
A satisfactory clearing solution for both Ninhydrin and
Silver Nitrate stains is: - ....ANSWER...Ordinary
household bleach, Clorox
1
,One of the most dangerous chemical substances used in
latent fingerprint work is: - ....ANSWER...Hydrogen
Fluoride
Prior to applying any chemical techniques for developing
latent prints to suspected blood stains, the evidence should:
- ....ANSWER...Be first examined by a serologist
Leucomalachite green is a sensitive reagent which has
been used for a considerable time by criminalists as a
chemical test for: - ....ANSWER...Blood
Luminol is a highly sensitive chemical test for : -
....ANSWER...Blood, which produces a
chemiluminescence of 15 minutes duration or more
This is a latent print development technique that employs
finely powdered lead to visually record latent print images:
- ....ANSWER...X-Ray
Photographing a latent print prior to lifting: -
....ANSWER...Preserves the latent image in the event of
loss or destruction in the lifting
Three types of lifting devices are commonly used to lift
powdered latents: - ....ANSWER...1. Rubber lifters
2
,2. Lifting tape
3. Hinge lifters
Rubber lifters are not commonly used as lifting tape and
hinge lifters, but they are more versatile. Rubber lifters are
particularly useful when lifting latent prints from: -
....ANSWER...Curved Surfaces
3
, Lifts made with transparent tapes and lifters can be
compared directly with inked impressions, whereas opaque
lifters must be: - ....ANSWER...Reversed
If two or more simultaneous fingerprints are developed in
a group, the best procedure is to lift: - ....ANSWER...The
impressions as a group
A latent print itself is not removable from a surface by the
lifting process. The oils and moisture simply hold powder
grains, which are in turn picked up by the adhesive tape. A
powder and not the latent image is lifted. -
....ANSWER...If the process is repeated, each lift becomes
progressively weaker.
Iodine developed latent prints can be accelerated by
exposure to: - ....ANSWER...Sunlight
Silicone rubber casting provides the best technique for
accurately recording and permanently preserving: -
....ANSWER...Plastic fingerprint impressions
During the identification process the purpose of first level
detail is: - ....ANSWER...To narrow the number of
4
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