Area Identification The reliability of eyewitness identification is one of the most important factors in the criminal justice system. It provides evidence to the courtroom about a criminal event and allows the jury to render a final verdict on the perpetrator. The question at hand is whether the reliability of eyewitness testimony is sufficient to be used as evidence in court. A witness's ability to provide a detailed description of the event of a crime has many psychological factors that influence the accuracy of eyewitness testimony. Factors including the distance of the crime, the lighting of the area, the exposure time, the presence of a weapon, the age of the witness, the clothing worn by the offender and the methods used by law enforcement to conduct investigations. These are just a few of the factors that influence a person's testimony, however the two key concepts that will be evaluated are the age of the witness and how gun concentration can play a role in wrongful conviction based on identification of the eyewitness. The main area of ​​psychology that focuses on eyewitness testimony is cognitive psychology. Cognitive psychology is associated with eyewitness testimony as the eyewitness's memory, attention to detail, and intelligence contribute to effective identification. The acquisition, retention and retrieval phase are the three main phases of memory that cognitive psychology focuses on. It is a study of how people are able to acquire, process and store information. The purpose of the essay is to discover and evaluate the factors that influence the accuracy of eyewitness identification with cases of how a weapon was fired and being too young or too old can illustrate that eyewitness testimony.. . half of the paper... .... resemble the perpetrator and also document identification procedures to ensure there was no contamination in the decision. This will be the most effective way to determine accurate testimony and ensure the justice system is fair. It is also important that governments provide research funding for eyewitnesses to be a reliable source of evidence, as wrongful conviction of offenders is not only against the constitution, but also harms the lives of those who have been wrongly accused . Cognitive psychology plays an important role in any crime investigation and can determine that through the use of this psychology study, we are able to be one step closer to eyewitness testimony as concrete evidence in court. Until we find a system that allows for accurate testimony, eyewitness testimony will still be the most unreliable form of evidence.