Why Is Physical Evidence So Important In A Criminal Investigation

Physical evidence is anything that can establish a crime has occurred and anything that links the crime to a criminal. Three examples of physical evidence are fibers, weapons, and hair.

The reason forensic evidence is so important is because it could be the cherry on top to solve a crime. Sure, there could be eyewitnesses and direct evidence,

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Forensic science is helpful for three prime reasons it helps exonerate the innocent, prove the guilty, and helps identify individuals.

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Evidence integrity and continuity Introduction In criminal investigations, it is vital to keep the evidence protected and ensure that it does not become contaminated, is tampered or altered in any way. There are two ways of maintaining evidence is in its truest form; evidence continuity and evidence integrity. Evidence is a vital component in criminal investigations and is the determining factor in successfully prosecuting the defendant as it identifies the offender or those who are involved. Evidence institutes facts of the crime and also proves that a crime has been committed (Tom McEwen 2011).

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Above all, physical or real evidence is the most important evidence because it can be used to eliminate other possibilities separate of eyewitnesses. As a result, the eyewitnesses testimony can be compared with unquestionable physical evidence to measure the truth and certainty of the eyewitnesses' understanding of this event. More importantly, physical evidence is crucial because it does not have bias. In fact, physical evidence remains independent of anyone's expectation's or desires, which is why it is crucial for physical evidence to be discovered, properly examined, and not contaminated (McShane,

However, back in the 1980s, detailed studies were done to try to accomplish this task. One specific comprehensive study was done in 1984 by Peterson et al. In this study, the analysts found that physical evidence was discovered in only about twenty to thirty percent of serious crimes (Peterson, 2013). When each of the crimes were studied separately, however, they found that only crimes such as homicide, drug, or rape resulted in a large chance of physical evidence being found at the crime (Peterson, 2013). Cases such as attempted murder, burglaries, and robberies yielded lower chances of the retrieval of physical evidence from the crime (Peterson, 2013). When considering all of these possible crimes, the most commonly collected evidence were controlled substances, and then in lesser amounts, there was other physical evidence such as blood, hair, firearms, and fingerprints (Peterson, 2013).

In recent years, the proliferation of the popularity of crime investigation shows have risen concerns regarding the fairness of our criminal justice system. The increased use of the courtroom as the setting of drama by the media and the consistent narration employed to dramatize the show has blurred reality from fiction for the everyday citizens. Now that crime shows are so popular, CSI being the most watched TV show in the world with 69 million regular viewers worldwide; many lawyers, judges and other trained professionals are concerned that this increased exposure to unrealistic content regarding the law have given jurors an unrealistic expectation of evidence presented in court. That this has been the basis of jurors unfairly freeing

Forensic evidence plays a huge role in most criminal cases. After the Daubert trial, forensic scientific evidence was reevaluated in criminal and civil cases. Scientific and forensic types of evidence can be extremely helpful in proving the case. It can help identify the suspect in a criminal case. That will help put a criminal in prison. There are many different types of forensic evidence that can be considered as scientific evidence. The different types include DNA matching, fingerprint identification, and hair evidence. The methods used to show these types of evidence are usually beyond the scope of knowledge that judges and juries know. Those types of forensic evidence are usually introduced as scientific evidence. Scientific evidence can sometimes be omitted from a courtroom or

The outcome of many criminal law cases will depend upon the strength and admissibility of evidence. Some evidence is “Admissible, Suppressed, Hearsay, and Scientific and Forensic Evidence.” (findlaw) Admissible evidence has to be relate to crime taking place which can either prove or not prove. (findlaw) Suppressed evidence is evidence that has been obtained in a legal way that a judge is to turn down. It can also be when a prosecutor hid the evidence when all of it is needed for the defense. This will violate the 5th amendment.(Hill). Some people may think that the evidence is to much and that it will hurt someone more than help them, but that’s wrong it helps you if you haven’t done anything bad. Hearsay evidence is coming from a 3rd view perspective. (findlaw) An example would be, Me and my neighbor were walking down the street and our friends comes running by us and she tells us that a robbery was taking place. She says that she was held at beyond her will. So after that if the police need us to testify something like that would be said. When your court you just have to simply explain the truth from what you would were told. Through Scientific and forensic it can also form, “Blood Spatter Analysis, Ballistics, Gunshot Residue Analysis, Fingerprints, DNA Analysis.” (Kaman). Theses all come from a crime scene from whatever crime was

Physical evidence/scientific examinations is the evidence found at the scene of the crime. This can include clothing, blood, fingerprints, weapons and much more. An example of physical evidence could be any listed above but also a bloody knife or a casing from a bullet.

Behind every court case there’s a train of forensic science evidence and research. Forensic science is the application of scientific principles of criminal justice. In many court cases a forensic scientists is the one on the scene collecting finger prints, photos, blood samples and other evidence. Unfortunately one of the controversial issues in the forensic world is the evidence and its lack of verification of its reliability. In the field of forensics there are issues in finding proof in generating conclusion, fundamental knowledge to solve problems, and the whole false memory defense in the court. These issues can be solved in many ways like extensive research, preparation and training. These issues

Forensic science borrows from a number of sciences which include: physics, Biology and chemistry. It therefore involves examination of a wide spectrum as compared to any other method of investigation. Due to the wide spectrum of investigation and evidence analysis the method offers; it ensures that the results are accurate and can be used in the court of law to make a decision. The method establishes the existence of a crime, the connection between the crimes and the