Polygraph Essay

2006 Words9 Pages
The idea of a technique that can help people seek the truth has been around since 1878 thanks to the work of Angelo Mosso. It was not until later on that the polygraph was modified and used in conjunction with law enforcements. The polygraph was first used in 1895 and later on modified to modern technology and computerize around 1992. Polygraph has been around for centuries but is still an inconsistent technique and grounds for errors at court. The polygraph can cause the case in court to be grounds for dismissal and well as a mistrial. The polygraph also crosses the line within the Constitution specifically the Fifth, Sixth and Fourteenth Amendments by violating the due process and the self-incrimination guarantees which are part on these…show more content…
The polygraph is a very controversial topic when comes to the introduction of the techniques into court. The polygraph technique has not changed since first developed in 1895. What the polygraph does is measures the blood pressure fluctuation, pulse rate and respiratory rate changes. The rate of the blood pressure, pulse and respiratory rate not only changes due to the body being stressed because the person is lying, but it also changes due to anxiety, anger and medical conditions. This will affect the accuracy on the technique and give inconsistent readings within the results (Gailus, C., 2008, November…show more content…
Louis, Kemper had confessed of killing her son and setting the house on fire after police officer had told her that she had failed the polygraph test. The judge in this case had let the information and the results of the polygraph come in to court as part of the evidence of the State. Later in the trial, the judge decided to call the case a mistrial as the jurors had heard and gathered too much information of the case that could sway their judgment. The case was also questioned in the matters of a suspect confessing to a crime after falsely having been accused of failing the polygraph test when in fact she had passed the polygraph. The defendant’s lawyer had stipulated to the Supreme Court that the confession had been corrupted by the detective involved in this case. Later on in 2006 the case had been blocked by the Supreme Court (Matthew, F.,
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