Fingerprints, which can be used as evidence to
identify individuals, are made by the minute ridge
formations or patterns of the fingers that are unique to
each person. Since no two persons have exactly
the same patterns or ridges, and that these patterns do
not change over the individuals lifetime they are
highly useful for identification of individuals at crime
scenes.(1) Consequentially, fingerprint evidence
remains the most positive means of personal
identification in forensic science.
However, the potential use of fingerprints
requires a sufficient quality of print as to be able to
discern enough patterns of the ridges to allow
unambiguous identification, which is a product of
various factors including the ability to visualize the
prints. Latent fingerprints are those that are present
but invisible, and so especially are critically sensitive
to visualization techniques.(2, 3) Moreover, on a rough
surface, latent fingerprints are more difficult to
develop than others. Although, magnetic powder and
Tex-Lift can typically generate an excellent latent
fingerprint, Tex-Lift is a high cost consumer product,
and has to be imported into Thailand. The purpose of
this study then was to evaluate the ability of eight
commercial glues that are readily and cheaply
available in Thailand, but which have never been used
for tape lifting before, to replace Tex-Lift in the
detection of latent fingerprints on rough surfaces
using the standard magnetic powder dusting and tape
lifting procedure.
Fingerprints, which can be used as evidence to
identify individuals, are made by the minute ridge
formations or patterns of the fingers that are unique to
each person. Since no two persons have exactly
the same patterns or ridges, and that these patterns do
not change over the individuals lifetime they are
highly useful for identification of individuals at crime
scenes.(1) Consequentially, fingerprint evidence
remains the most positive means of personal
identification in forensic science.
However, the potential use of fingerprints
requires a sufficient quality of print as to be able to
discern enough patterns of the ridges to allow
unambiguous identification, which is a product of
various factors including the ability to visualize the
prints. Latent fingerprints are those that are present
but invisible, and so especially are critically sensitive
to visualization techniques.(2, 3) Moreover, on a rough
surface, latent fingerprints are more difficult to
develop than others. Although, magnetic powder and
Tex-Lift can typically generate an excellent latent
fingerprint, Tex-Lift is a high cost consumer product,
and has to be imported into Thailand. The purpose of
this study then was to evaluate the ability of eight
commercial glues that are readily and cheaply
available in Thailand, but which have never been used
for tape lifting before, to replace Tex-Lift in the
detection of latent fingerprints on rough surfaces
using the standard magnetic powder dusting and tape
lifting procedure.
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