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The Credibility Of Eyewitnesses In Criminal Investigations

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Eye witness identification involves selecting an accused perpetrator from a police line up, sketch or being at the crime scene during the murder time. After selecting a suspect, witnesses are asked to make a formal statement confirming the ID of the suspect (s) or other surrounding details which the eyewitness can testify in court. Eyewitnesses are always required to testify in court but eyewitnesses with psychological disorders, substance dependancy are at a higher chance of identifying the wrong suspect therefore wrongfully assisting convict the perpetrator in the wrong (Hal Arkowitz, Scott O. Lilienfeld, January 1, 2010). Anxiety or stress is always associated with crimes involving traumatic events that have previously taken place. …show more content…

E.g Individuals are more likely to be accursed if they are a different race to the eyewitness testifier. This indicates that individuals are able to reshape, construct scenarios based on stereotypical believes unlike psyical or photographic evidence which is a relabel source to correctly use as a credible source of evidence. This is displayed in Allport and Postman experiment in 1947. Participants were asked to recall the opposite picture, participants were morvlikey to report a black male but this is incorrect as the image shows a white individual. This clearly sows that the memory is an active process and is expected to alter an opinion based on understanding society (Simple Psychology, 2014) . 
Eyewitness testimony is unethical as the evidence that is supplied can be provided by someone with stress or anxiety issues this can assist by distraught the image of the suspect. Wrongfully sending an innocent individual to prison. Bloods worth’s case displays it is unethical as there was no psychical evidence nor appearance matched that supported Bloodsworth was responsible for the murder and rape of the victim. Three eyewitnesses were able to identify the perpetrator out of the five and this was based from evidence that he was spotted with the young girl hours earlier before the crime was

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She was shown photographs which included Hay’s photograph (taken 18 months earlier) and she selected him as an 80% likeness. Three weeks later, she was shown a sequence of photographs which included one of Hay (taken hours after the murder) and she did not select any photograph. At a second identification process, Maillard didn’t select any photographs and, when shown the photograph of Hay she stated that he looked very different and that in his arrest photo, he did not have a gaunt face like that of the second gunman at the club. An article by Pezdek, Abed & Cormia (2021) explores the relationship between stress and eyewitness memory accuracy, as well as the relationship between stress and eyewitness confidence. They found that stress impairs the accuracy of eyewitness memory but not the confidence-accuracy relationship.

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Eyewitness accounts play a huge role in general in trials and verdicts, but may be unreliable many times, with certain views placed on evidence provided by children. Unreliability may arise from not being able to recount the identity of the accused, the actions and speech occurring during that time, the relationship of individuals towards the person in question, and many

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This finding proved that while Jennifer swore it was Ronald based on his appearance, it is not. Additionally, there is the fact that there was suspect bias represented in Jennifer choosing Ronald and continuing to believe that it was Ronald behind the crime even when evidence proved otherwise. So, eliminating as much suspect bias would have made an exponential difference in identifying the correct person. There are issues with relying on eyewitness testimonies, especially when it comes to a traumatic event such as sexual violence. Specifically stated by Smith and Hattery (2011) is that almost all wrongful convictions from other studies were resulting from the lack of reliability with eyewitness testimonies.

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Research provided by the Innocence Project shows that Hundreds of people are accused of crimes they have never committed just because of eyewitness testimony and factors which distorted memory. Can we even trust our memory after knowing so many innocent people have been convicted? Coming back to the question: How does crime affect memory? Looking at the studies of Ronald Cotton and Bennett Barbour, they tell us that crime distorts the memory of a victim. In both cases, the victim identified the wrong person as their assailant.

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This week’s topic was very interesting to learn about how important eyewitnesses can be when a crime and accidents do occur. In the case that was presented in the 60-minute segment of Ronald Cotton and Jennifer Thompson is exactly how legal system can fail us when it comes to the eyewitnesses’ identification testimony and how a person’s perception and memory can be altered. The aspect of psychology and law research from this week’s course material is most relevant to the topic of perception and memory. The memory has different stages the first is encoding the process of entering perception into memory.

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Eyewitness testimony is sent to sensory memory whereby it involves retaining information and details. In order to recall specific features of a person, the victim must be very observant and concentrate during the event and after when trying to remember these details. This can be transferred to short-term memory, which has the capacity of remembering 7±2 memories, and if subjects rehearse what they have seen then the memory can be stored in long-term memory. Memories can then be retrieved when needed for testimony.

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Followed by the lack of corroboration, which is an important aspect in courtrooms, “corroboration will add credibility to the memory and lack of it may raise doubts about the allegations.” Loftus considers that relying on memory is not a valid way of justice; the legal system needs to improve when eyewitness testimonials are used in the courts. Loftus confides as a psychologist that psychological science has taught them about human memory and that the research has revealed the limits of human memory. Adding on, these research findings need to be incorporated in procedures to improve the court system. She hopes readers will acknowledge the fact that the use of memories in a trial can be problematic since they are “dangerous” and can lead to false

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When one is victim of or witness to a crime, it is expected that said person is brought into the police department to be questioned by the police. During this line of questioning it is possible that the victim or witness take part in suspect identification procedures. Such procedures include the use of lineups, showups, photo arrays and others. These procedures are referred to as system variables. These system variables are factors under the control of the investigators that have a demonstrated effect on the accuracy and reliability of eyewitness testimony.

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For instance, if an eyewitness misidentifies a person whom they believe to be the suspect and report that person to the police and the “suspect” reacts out of anger when stopped by police causing an altercation to take place, which often times may be physical. Now that person may be facing charges for a crime they didn’t commit and also may be facing charges for the altercation that occurred during the arrest for the crime they didn’t commit. It is extremely important for eyewitnesses to have a clear and convincing description of the suspect because it can easily cause further complications. It can also ruin an innocent persons life if they are wrongfully convicted of the crime because of the

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Witnesses to crimes are sometimes asked to view a police lineup to see if they can identify the culprit. Using experimentally created events, psychological researchers have long warned that eyewitness identification evidence is less reliable than people seem to believe. Corroborating the concerns of psychologists, since the advent of forensic DNA testing in the 1990s, 258 people convicted by juries in the United States have been freed based on exculpatory DNA tests, and 200 of these were cases of mistaken eyewitness identification (Innocence Project, 2010). Examination of the reasons for these mistaken identifications has provided rich avenues of investigation guided by cognitive and social perspectives. Here we focus on (a) variables that

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People do this to information by trying to put it in our schemas. Schemas can also question the reliability of eyewitness testimony, as they can cause distortion to memory or unconsciously modify information in order to relate with our current knowledge/ schemas. This can be seen in Bartlett’s study, where participants heard a story and had to recall and tell to another person, like “Chinese Whispers”. Each participant recalled the story in their individual interpretation such as; the passages became shorter, ideas and details of the story were modified. This suggests that each individual person reconstructs our own memories to conform to our personal beliefs about the world.

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In an analysis, American police made systematic and avoidable mistakes such as asking too many close-ended question that limited the amount of information they could obtain from eyewitnesses. Cognitive interview attempts to correct by addressing three elements of the interview. These three elements are developing a rapport with eyewitness, encouraging memory of eyewitness by asking open-ended questions and keeping the interview slow pace, and maintaining good communication with eyewitness. Use of cognitive interviews as compared to traditional police interviews, elicited between 35% and 75% more information with no impact on incorrect response rates. Eyewitnesses should be informed prior to the lineup that the perpetrator may or may not be in the lineup, doing this reduces mistaken identification in perpetrator-absent lineups by 42%.

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Furthermore, there can be several factors at play when a wrongful conviction occurs and each case is unique. Three of the more common and detrimental factors that will be explored in this essay are eyewitness error, the use of jailhouse informants and professional and institutional misconduct. Firstly, eyewitness testimony can be a major contributor to a conviction and is an important factor in wrongful conviction (Campbell & Denov, 2016, p. 227). Witness recall and, frankly, the human emory are not as reliable as previously thought. In fact there has been much research showing the problems with eyewitness testimony such as suggestive police interviewing, unconscious transference, and malleability of confidence (Campbell & Denov, 2016, p.227).

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