ipl-logo

Polygraph Argumentative Essay

748 Words3 Pages

Tanya Short
Professor Huffman
Information Literacy 119.40
27, September 2015
Polygraph: Science Fact or Science Fiction? The roots of polygraph testing have a humble beginning at Harvard in the year 1915. A Harvard psychologist by the name William Marston paved the way for the polygraph we know today. Marston’s device monitored blood pressure of one under interrogation. John Larson, a medical student, added respiration to the device and created the first polygraph in the 1921. The polygraph machine of today measures a person’s heart rate, sweat forming on the skin and rate of breathing. The examiner asks several control questions. Questions where the subject is likely to tell the truth. These responses are then compared to relevant questioning responses. The premise of the polygraph hinges on; people who lie are nervous, heart rates elevate, breathing gets faster and they sweat. Polygraph use is vast. Its customers range from law enforcement to private business. It is utilized to determine guilt or innocence, as a mandated pre-employment tool, and to protect national security, just to name a few. With a test that is being utilized over such a large spectrum and with so many irreversible implications one would imagine the polygraph would most likely …show more content…

One of the founding fathers of the polygraph finds himself in the middle of a courtroom battle. The case of Frye v. United States. Marston is testifying as an expert witness for the defense to convince the court to admit polygraph evidence. The accused in this case initially denied having anything to with the murder. Then confessed to the murder, recanted that confession and underwent a polygraph examination administered by Marston. The results of the polygraph exonerated the accused. Frye was convicted of murder after the judge excluded all polygraph testimony from the trail. The appeal was denied and became the standard for courtrooms across the

Show More
Related

Bobbie Davis V. Carter Case

977 Words | 4 Pages

Later in 1997, Graves was granted another post-conviction hearing. degree witness declared that the testimony concerning a knife at Graves’ trial was dishonest. At the trial, a prosecution witness same tests showed that a knife that was identical joined once owned by Graves may would like created the injuries inflicted on the victims. Dr. Harrell Gill-King, director of the Laboratory of rhetorical branch of knowledge and Human Identification, testified that the prosecution conclusions concerning the knife were unreliable.

Read More

Penal Code 1405 Research Paper

1964 Words | 8 Pages

Solving the Case A man was walking his dog at night when he heard a gunshot. He ran to the place where he heard it and saw a young man shot on the floor with a gun beside him. He picked it up carelessly and put it aside then called 911. When the police arrived they took all the evidence with them. A month later there are police at his doorstep arresting him for the murder of the young man.

Read More

Summary Of Getting Life By Michael Morton

1667 Words | 7 Pages

Even when Michael’s new defense team, through the innocence project, found a crime that was eerily similar to the method of murder and subsequent events to the one that Michael was convicted of, the new prosecutor in Williamson County fought hard to keep DNA testing from taking place, even stating that they objected to the testing now because the defense hadn’t requested it before (Morton, 2014). There was further evidence of ineffectiveness in that the coroner who’d changed his estimated time of death between the autopsy and trial, had come under scrutiny for his findings in this case, as well as several others, with claims of gross errors “including one case where he came to the conclusion that a man who’d been stabbed in the back had committed suicide” (Morton, 2014). This was only one of the many injustices that were committed against Michael Morton throughout his trial. In August of 2006, the defense was finally granted permission to perform DNA testing on the items that had been taken from his wife’s body (Morton, 2014). Although this testing did not reveal any information about the guilty party, it did at least give Michael the knowledge that Chris was not sexually violated before or after her death (Morton,

Read More

Andrea Yates Case Study

601 Words | 3 Pages

The jury was shown videos of more normal times for the family, when things seemed to be going well. Expert testimony also played a role in the outcome of the first trial. The evidence presented in this case was able to help the jury come to a decision when determining Mrs. Yates final

Read More

Inaccuracies Of Manning Case

694 Words | 3 Pages

On July 20, 1958, an elderly couple in Christian County, Kentucky were beaten to death in their home by intruders with a tire iron. Two suspects, Silas Manning and Willie Barker were arrested shortly after the murders and indicted by the grand jury on September 15, 1958. The prosecution believed the case against Manning was stronger; therefore, chose to try Manning first in hopes that once convicted, he would testify against Barker. Manning, of course, was not willing to incriminate himself. At the start of of Manning’s trial on October 23, 1958, the prosecution requested and obtained the first of what would amount to be 16 continuances in Barker’s trial.

Read More

Mr. Plach Argumentative Essay

51 Words | 1 Pages

On 02/02/17, Mr. Plaches submitted to a random drug screen with Probation. On 02/09/17, Mr. Plaches 's drug screen returned positive for Cocaine. On 02/16/17, Mr. Places was given an instant drug screen. The test returned positive for Cocaine. On 02/16/17, Mr. Places admitted to using cocaine on 02/01/17, 02/08/17 and

Read More

Innocence Project Report On The Case Of Jennifer Moore Case

2099 Words | 9 Pages

Innocence Project Report on the Case of Curtis Jasper Moore Tommy Warrick Drake University According to the Innocence Project one of the greatest causes of wrongful conviction is due to eyewitness misidentification. They state that 72% of cases where defendants have been exonerated eyewitness misidentification played a role. Even though eyewitness testimony has been proven inaccurate numerous times, it can still be the decisive evidence in a court of law. This is because the law views the human memory as a camcorder which can record and repeat whatever it sees.

Read More

Samuel Parris: The Salem Witch Trials

1661 Words | 7 Pages

The chief justice of the court was an avid witch hunter by the name of William Stoughton. Mather urged Stoughton and the other judges to admit “spectral evidence,” and his advice was followed. The judges, who had little to no legal training, looked to the ministers for guidance. Evidence that would be excluded in courts today, such as hearsay, gossip, and stories, were generally admitted as evidence. The judges allowed touching tests to take place during court.

Read More

The Crucible Dbq

666 Words | 3 Pages

With only the testimony of the accuser, the accused was jailed and/or killed. In Document

Read More

Unit 2 E2 Argumentative Essay

121 Words | 1 Pages

Unit 2: EA2 Argumentative Essay Reflection What I feel I did well on this argumentative essay was my research. I had many sources that provided me with facts and statistics and they helped me to decide what side I was on. There were many sources that I did not use but that I had read through. What I struggled with was commentary.

Read More

Commonwealth Vs Wright Case

1732 Words | 7 Pages

In 1991, an African American man named Anthony Wright confessed to the rape, robbery, and brutal murder of a 77-year-old woman. However, he later retracted his confession, asserting that it had been coerced by police, and requested DNA testing on the evidence prove his innocence. Despite his ardent attempts to reclaim his innocence, the Supreme Court of Pennsylvania rejected the request based on the simple fact that he had previously confessed to the crime, which therefore prevented him from being able to claim his innocence (Commonwealth v. Wright, 2007). On behalf of Wright’s case, in 2008 the American Psychological Association filed an amicus curiae brief that described the many possible causes of false confessions and their role in wrongful convictions. In 2011, the Supreme Court of Pennsylvania recognized that, although a confession may be admitted during trial, it does not necessarily mean that the confession was true.

Read More

Yutter Argumentative Essay

725 Words | 3 Pages

In sunny California there is a town called Yutter. The dearth of water has caused the soil to be very dry and infertile and so the farmers cannot grow crops, impacting the economy in Yutter, changing it for the worst. The town of Yutter has a deal with the farmers and the water supply company for the town so that they can have more water than other citizens per square acre of land, in order to keep the new seeds alive before they shrivel up and the plants die. Paul Jump, Yutter’s main farmer, much to his chagrin, asked the mayor at the town meeting for water, saying “I can grow food for my pigs with the money I made off of my crops if I have two thousand more gallons a week!” The mayor ignores his request and the audience of the meeting starts to become obstreperous as they walk up to Paul Jump with screams of invective.

Read More

Into The Wild Argumentative Essay

462 Words | 2 Pages

In life some feel the need to prove something to others. That they are better, stronger, or even more intelligent. Whatever the case may be people will go through extreme measures to prove themselves. But who do we really need to prove anything to? Is it our parents?

Read More

Scarlet Letter Argumentative Essay

445 Words | 2 Pages

Enough evidence was given in the book that Hester deserves the punishment. To prove that she does, Hester was raised as a Puritan so she knew what would be the consequences she has committed adultery and is left with a baby alone to raise without a father role model. As well she is not suited to be a mother. She can’t keep Pearl.

Read More

Argumentative Essay On The Fourth Amendment

427 Words | 2 Pages

Back in 1975, there was a major case called, Payton V. New York. Theodore Payton was suspected of murdering a gas station manager, they found evidence within his home that connected him with the crime. What caused the problem was the fact New York had a law that allowed unwarranted searches if the person was a suspect. Based off the oral argument presented by Oyez, the police said it didn't count as the evidence because it was in public view when entering the home. It had to be appealed before it was determined as unconstitutional.

Read More

More about Polygraph Argumentative Essay

Related Topics

Open Document