Should lie detector tests be admissible in court? How can polygraphs assist police in finding a
suspect? When are they misused?
I do think that lie detector tests
should be admissible in court because it is a great piece of evidence to help solve
cases, catch the right people, so on and so forth. Even though many states do
not allow lie detectors to be admissible in court, with the right technique and
questioning on a specific issue test, the accuracy is well over 90% which is a
huge number that should stand out to the criminal justice world.
Poly graphs can help police catch
the right people because of the power it brings. For example; you have several
suspects in for questioning but are unsure who is lying. The poly graph will
help you narrow down that individual to help solve your case.
Poly graphs are misused when people
or operators do not follow the proper protocol when using such a device. This
causes errors and wrong results which may end up giving you the wrong suspect.
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