This alone can cause the eyewitness to be under

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This alone can cause the eyewitness to be under tremendous stress when being asked to remember something that happened in the past. Block, Greenberg, & Goodman (2009) suggests that it is vital to determine if the negative emotions displayed either supports or detracts from accurate memory of eyewitness accounts. Physical/Environmental Impact Another aspect that could potentially effect eyewitness testimony are the physical factors that occur. When that individual is asked to identify an assailant from a line-up, their memory could be distorted to where they may mistakenly see different body features that they did not witness at the crime scene. Standing there, having to look upon the faces of people never seen before can easily confuse anyone. The witness may be likely to assume the culprit is standing somewhere in the line-up, even though the line-up may or not potentially contain the culprit. For
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Running head: WRITTEN EXERCISE 1 5 this reason, the accuracy of their identification may be impaired. Brewer & Wells (2011) state that conditions such as short exposure duration, long viewing distance, and identifying a culprit who is wearing a disguise or of a different race are reasons known to cause witnesses to make positive or negative line-up decisions. Behavioral Impact When crimes are committed, sometimes both the suspect and witness may be intoxicated. This can cause obvious challenges for police who investigating these cases. What these individuals may witness could be the only evidence available to try to understand what took place prior. An individual who drinks most likely understand the consequences that follow. Drinking alcohol may actually do more harm to them than good, especially when they are asked to be a witness to a crime. Intoxicated witnesses may remember fewer details, and they may be inaccurate, causing confusion and distrust in any future investigations. Hagsand, Hjelmsäter, Granhag, Fahlke, & Söderpalm-Gordh, (2013) describes that at least 50% of all crimes are alcohol and 70% of officers encounter and interact with intoxicated witness at least five times a day. (p.188) Conclusion Eyewitnesses play an integral part in solving investigations, regardless of the nature.
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