The use of DNA in Crime Investigations Professor number The use of DNA in Crime Investigations Increase in the use of science for the solution of problems that are faced by people in their daily lives has been witnessed in the past two centuries…
It also depends to a great extent on the far-sightedness of a person in looking at the long-term effects of the changes incorporated into the lives of people due to technological changes. There may be many negatives that can be found in the introduction of these changes. However, that does not justify a rejection of those changes without an analysis of the positive effects that they may have. The use of DNA in the analysis of crime and the investigations of this issue is one such area. In the United States of America, only twenty five states follow a system whereby the use of DNA is done in an efficient manner. This involves the collection of DNA samples right at the time of the arrest of a criminal. In the other states, collection of these samples is conducted following the conviction of a criminal, and this causes a lot of delay. These delays may result in a change in the very outcome of the cases where the said changes are made. This paper will discuss these delays and the changes that can be made in the legislative structures that govern crime investigation in the United States of America. DNA (deoxyribonucleic acid) has the makeup of a person encoded within it. It is a unique code that helps identify a person. It can be used to distinguish between persons. Samples of DNA can be collected from a person’s saliva, hair and other parts of that person’s body. Such information can be later used to verify the identity of the criminal and can be used for matching with the samples that are collected from him or her (“Use of DNA in Criminal Investigations”, n.d.). While these can be collected from the suspects later on during the time of the conviction, the samples that are to be collected from the crime scene need to be collected at the time of the arrest itself. If this is not done, there may be difficulties in locating the position of the body fluids in question and it may also be difficult to isolate them so that the matching of the DNA may be conducted. In the context of the legislations that currently exist, stress is laid on the use of DNA samples for the solving of crimes; however, as mentioned earlier in this paper, only twenty five states in America have a provision for the collection of DNA samples at the time of the arrest of a suspect. Various arguments have been advanced in favour of collecting the DNA samples at the time of the arrest. One of these is the quick analysis possible as a result of the quick collection of the data. This prevents many problems that would otherwise be present in the process of the investigation of the crime. To understand this fully, one needs to also understand the benefits of DNA analysis in the process. This would help one locate the areas where the problems are present. One of the major advantages of the use of DNA samples in crime investigations is the creation of databases that can be then used to track the activities of people who are known to be offenders. While allowing every person who has committed an offence a chance to improve their own characters and lots in life, this system ensures the safety of the society where such convicts are present. Having such a database would mean that people who have committed an offence may be caught in an easier fashion. This would also mean that people who are innocent may have a better chance to stay free and engage in activities that are useful for the society in which they live and are a part of. Statistics ...
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The review will show the basic steps within the regular procedure of securing the scene and then beginning the process of investigating the crime and crime scene. Each case is individual and while procedures are set in specific steps, there are occurrences that happen along the way that cause problems to investigators such as contaminated evidence, loss of evidence and those things that are not recovered but found later.
This research will attempt to provide a presentation of the investigation process conduction by the subjects entrusted with such roles. This will also study factors that influence the need for investigations, its development, and limitations, in addition to the strengths and weaknesses of a public defendant’s office.
The obscurity of the task further multiplies when the bodies to be identified belong to victims of mass disasters, catastrophes, gruesome murders and accidents, in which they are deformed or decayed to a large extent. Traditionally, fingerprints have been used for the forensic identification of individuals for a long time, yet they have their own limitations.
Name Institution Course Instructor Date DNA Fingerprinting Abstract DNA fingerprinting is a laboratory procedure that has proved very useful in personal identification. With its wide applications, it is causing a revolution in the modern world. Typing of DNA presents unique profiles for each individual except identical twins.
The fight against crime and the need to improve the criminal justice system have seen DNA profiling and law enforcement integrated. In this case, forensic scientists help in the identification of criminals or crucial leads by looking at DNA profiles. The crux of the matter herein is that organisms leave behind their DNA in any interaction with the environment.
What is DNA?
The criminal justice system has improved over the years and advancements in the field of forensic medicine have revolutionized the way crimes are tackled and dealt with today. Criminal investigations are done in an in-depth manner and this has made it difficult for the offenders to easily get away with their crimes.
Similarly, the very existence of the criminal justice system is to prevent the trend of accelerating rates of crimes and to bring peace and tranquility within the society. In addition, the criminal justice is also bound to ensure that all accused persons received the right to defend them in the trial and no one is erroneously implicated in criminal proceedings.
Scientists have played a great role in this progress as it is due to their efforts that the understanding of the human body has become possible. DNA which is a biochemical substance in the human body is one such example. Following the
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