Forensic science research papers

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View all issues. Journal info. Continued as Forensic Science International ;. If needed the greater the number of independent factors such as polymorphic protein and blood group that can be identified in a given blood sample. The first step of this analysis is to understand the way in which particular bloodstain patterns have arisen. Bloodstain patterns at crime scene to help reconstruct the event that occurred during the commission of a crime Powerful Essays words 4.

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DNA can be left or collected from the hair, saliva, blood, mucus, semen, urine, fecal matter, and even the bones. DNA analysis has been the most recent technique employed by the forensic science community to identify a suspect or victim since the use of fingerprinting. Moreover, since the introduction of this new technique it has been a large number of individuals released or convicted of crimes based on DNA left at the crime sceneDNA is the abbreviation for deoxyribonucleic acid. DNA is the genetic material found in cells of all living organisms Forensic Archaeology is a forensic science, which applies archaeological techniques and methods, and puts them in legal context.

The principles and knowledge of this science are used, not only for studying and to gain a better understanding of historical events that took place decades or centuries ago, but also for locating and collecting evidence at crime scenes providing aid with solving crimes Genetic identification is based on the analysis of highly polymorphic and largely non coding areas of the human genome Johnson, Williams, Martin, , par. This process is used to help identify in order to implicate or exonerate a person of interest in a criminal investigation.

Genetic profiling uses biological material like, blood, hair, semen, vaginal secretions, sweat, skin, urine, and saliva, taken from the crime scene and processed Better Essays words 4 pages Preview. Merrel Dow Pharmaceuticals in The Daubert Standard would come to replace the Frye Standard in federal court. Although state would not be held by that standard they would follow suit by looking toward federal case law in decisions involving expert testimony Powerful Essays words 5 pages Preview.

It can be found anywhere and can be a useful evidence in forensic science. It consists of three layers, namely cuticle, cortex and medulla. Cuticle- is a covering that consists of hard scales made of keratin, which is a protein approaching tip ends of the hair. There are three types of cuticle: coronal, imbricated and spinous types.

Cortex consists of stretched out beam shaped cells, buried with pigment granules for hair to cede with color and is the main body of the hair shaft Strong Essays words 5.

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One of the areas in which biology is very helpful, is DNA forensics. DNA in forensic science is used to gather information and evidence for use in the court of law. DNA blood profile evidence can be collected through numerous ways like saliva, semen, blood, urine, feces, hair, teeth, bone, cells and tissue. DNA evidence can be collected from many items, examples are such as a mask, gloves, shoes, clothes, bedding, fingernails, cups, bottles, cigarettes, weapons and much more Strong Essays words 2. What make DNA a very suitable tool to help identify an individual is that every person unless they have an identical twin has their own genetic code making them unique.

Therefore, the genetic code letters A, T, G and C represents as a distinctive bar code to that individual. DNA traces can be left at a scene of a crime by person because DNA is found inside the cells within the human body, so this makes it very easy to extract DNA from either blood, saliva, roots of hair and semen that From the time an officer arrives on the scene until a conviction of the perpetrator evidence is the key element in determining the guilt or innocence of those accused.

A poorly conducted crime scene investigation can sometimes either destroy evidence or render it useless. The possibility of tainted evidence, miss-handled evidence, or lack of evidence, the guilty can go free or the wrongful convicted Better Essays words 5. Attorneys, both the prosecution and defense, have their own set of policies to follow, as do forensic scientists. Forensic continued to progress over the years to became one of the most innovating fields in the criminal justice system.

Forensic help in the prosecution of many cases as well as exclusion of the wrongfully accused Forensic science timeline n. In history, the work of forensic scientists was performed by medical personnel.

Journal of Forensic Sciences & Criminal Investigation (JFSCI)

Good Essays words 2. With advances in technology grammar skills in the work place are more important than ever. Anyone who applies for a job should use the Occupation Outlook Handbook to understand the commutation skill for their future career. I have found this source very useful in learning the writing and speaking skills needed for my further career as a Forensic Science Technician.

There are many reasons why good grammar is important at work During the eighteenth century two events had where occurring, an agricultural revolution and an industrial revolution. Then an , in large measure to the efforts of Sir Robert Peel, Parliament passed the Metropolitan Police Act, which created a metropolitan police force for London. In the Forensic Science workplace social responsibility is a fundamental attribute needed for an employee to effectively communicate, work in a team and achieve optimum job performance.

Qualities such as effective communication and teamwork will be displayed unconsciously if Forensic Scientists are able to work under socially responsible conditions Better Essays words 3. Through the process of DNA analysis, crime scene investigators are able to examine the DNA found in physical evidence such as blood, saliva, sweat, hair, skin, and semen This has led to people being wrongly convicted. Ray Krone was one of those who was wrongly convicted because of mistakes in the forensic laboratory. There have been experts such as Jacqueline Blake, who broke protocol regarding evidence that led to wrongful convictions.

It is important to learn how and why this happens to better prepare those in the criminal justice field to handle such situations and try to minimize the amount of errors in forensics Forensic science technicians may either be generalists who perform all or many of the duties listed above, or they may specialize in certain techniques and sciences. Generalist forensic science technicians, sometimes called criminalists, perform the duties of crime scene investigators and laboratory analysts. They collect evidence at the scene of a crime and perform scientific and technical analysis in laboratories or offices.

Do you think GIS is more important in one profession than another. Why is GIS important to use in a profession. All of these are common questions to think about when looking at different professions. The profession that interested me the most is Forensic Investigations, which is kind of like a Crime Scene Investigator. When I graduate college, I want to go into the forensic field, and this paper gives me a good opportunity to look at the different GIS used in this particular field of study One of the most important fields of forensic science is blood spatter analysis.

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Basic and complex information can be found when analyzing blood. We can learn what kind of weapon was used, the time of death of a victim and other important facts that can help a case BPA also uses the scientific method to examine bloodstain evidence at a crime scene where blood is present by gathering information, observing, documenting, analyzing, evaluating, and technical or peer reviewing. A bloodstain pattern analysis job is to collect, categorize and interpret the shape and distribution of bloodstains within a crime scene Peschel, It is important to note that the voice stress analysis is equivalent to polygraph.

Both polygraph and stress have a common problem of not being able to point out deception. This notwithstanding, the speech analysis is apparently being used by both the Federal Bureau of Investigations and the Central Intelligence Agency of the United States.

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  6. The fact that each and every person possesses a unique voiceprint makes the identification of a speaker to be theoretically possible Term Papers words 6 pages Preview. With producing reality shows comes producing inaccuracies in portrayals in order to reach as many viewers and gain as high ratings as possible every week with each new episode.

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    Every day life is boring, yet people tend to be attracted to the relatable shows that portray real life in eccentric ways — ways that they believe could be imitated by the average person. In many cases, these shows could remain harmless, as it is entertainment. No matter how crude or erroneous, it is just television Term Papers words 5. In line with a growing and changing market in the field of forensic science, it will present a business proposal for a mobile forensic laboratory service, designed to meet the demand for quick, on the spot and readily available forensic investigation; testing analysis and interpretation of evidence from crime scenes and or matters needing forensic investigations Better Essays words 7.

    However, in reality, it is the structure physical lab requirements and the lab policies and processes many of which are dictated by legal requirements that actually make a computer forensic lab what it is, rather than simply a building full of high technology equipment and software It has been used throughout history to give those thought lost back their identity and the families closure. To become a forensic odontologist one must first earn a DDS degree, then gain training in the field.

    Odontology can be done on the spot at a crime scene or at the autopsy. Bite mark analysis has made a huge impact in the incarceration of a criminal. Robbin W. Cotton, who is an associate professor and director of Biomedical Forensic Department at Boston University School of Medicine, gave a 60 minute talk about contemporary issues with forensic DNA testing. The main purpose of her talk was to make people aware of these issues and reflect about solutions for these problems.

    Her knowledge in the Forensic field comes from many years of experience in different crime labs. Cotton has worked over cases among almost every state The team plans to identify and categorize requirements in four main categories: physical and environmental requirements; technical requirements; legal requirements; and personnel requirements.