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Scholarly review article on the importance of DNA and fingerprinting in criminal investigations
Importance of fingerprints in criminal investigations
Importance of fingerprints in criminal investigations
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if unidentified, and the period of death or injury. The forensic autopsy may comprise collection of evidence from the body, which could be used to either implicate or exculpate an individual charged with a crime; finding that a crime had or had not been taken place and provide clues towards a issue if it has. Because of the likely medicolegal implications of forensic cases, not only these outcomes have to be made, but the findings or lack of findings must be written. In many cases the reason and manner of death may be understandable. It is the records of the injuries or lack of them as well as the elucidation of how they occurred and the fortitude or exclusion of other causative or causative factors that is important. The forensic autopsy includes just …show more content…
In homicides, suspicious deaths, and gun-shot related deaths, the body must not be fingerprinted prior to inspection of the hands ever. While fingerprinting, the hands are pryed open and the fingers are inked. In the course, evidence can be lost and/or false evidence placed. One can solidify tests for firearms’ residue unacceptable in prying apart fingers and fingerprinting a body. When fingerprinting is consequently done in homicides, it is suggested that palm prints also be taken. In all gunshot deaths, x-rays must be taken. X-rays are particularly important in cases in which the bullet seems to have exited. This is due to the circumstance that the bullet may not have exited but somewhat only a piece of the bullet or a piece of bone. With the semi-jacketed ammunition now in general use, it is not unusual for the lead core to exit the body and for the jacket to endure. The core is frequently of no interest forensically; it is the jacket that is important. The jacket may be reserved beneath the skin adjacent to the exit site. It is very cool to miss the jacket at autopsy unless one knows that it is there by
In the Forensic Case #356228, skeletal remains of both human and animal were discovered in a hunting area. The skeletal remains were of potential victims named as either Robert Rutherford or Stephen Morton. Robert Rutherford, potential victim #1, was an African American, 65 years or age, had a pacemaker, carried a Gerber 650 knife, had unknown religious affiliations, and was 5’ft 6”inches tall. Potential victim #2, was Stephen Morton, a Caucasian 40 years of age, had a heart condition, was a hunter in the same area, also had unknown religious affiliations, carried a Gerber 650 knife, and was 5’ ft 7” inches tall.
The pattern that the blood gives off gives forensic scientists the tools that they need to help solve cases. Investigators can find clues to a murder in a number of different ways. Typically they find out how many times someone has been stabbed or how many blows they received. Through the count of the times the action had been performed, they can come to an understanding of whatever hand the suspect was using. Other information can tell how the suspect was standing over their victim during the time of death.
CBS’s CSI: Crime Scene Investigation exploded into popularity when it aired in 2000, opening doors for the creation of other similar criminal investigative television shows involving forensic evidence such as Cold Case, Criminal Minds, and Bones. Many of these CSI-type shows present a murder or crime solved within an hour-long episode using forensic evidence conceived by glamorized CSI personnel and sometimes fabricated methodologies and technologies that only exist on television. Despite just being shows, one wonders whether these popular shows have skewered public perceptions about forensic evidence in real court cases and have impacted the outcome of court verdicts. The CSI Effect, explained by Kim, et all, was named after the television show
Forensic pathologists are the people who determine the cause and time of death if the deceased person died under suspicious circumstances, whether they be violent or not. They determine if the death was accidental, a homicide, natural, a suicide, or even if the cause of death was unknown. They do this by studying said victim’s medical history, evaluating the crime scene for evidence, studying the body for any clues, and performing an autopsy. After determining the cause, time, and the manner in which the victim died, forensic pathologists make a written report on the victim and sometimes testify in court to report their findings.
Crime is a common public issue for people living in the inner city, but is not limited to only urban or highly populated cities as it can undoubtedly happen in small community and rural areas as well. In The Real CSI, the documentary exemplified many way in which experts used forensic science as evidence in trial cases to argue and to prove whether a person is innocent or guilty. In this paper, I explained the difference in fingerprinting technology depicted between television shows and in reality, how DNA technology change the way forensics evidence is used in the court proceedings, and how forensic evidence can be misused in the United States adversarial legal system.
The most important type of evidence is DNA. When DNA testing takes place, the samples are collected from the suspect and the crime scene. These evidences include hair, fingerprint, human secretions, blood, semen and other bodily fluids, are collected and sent to the lab for further investigation.
Believe it or not, wounds from the victim are also evidence. The wound can allow the investigators to match up any marks that could have been made from the weapon and therefore allows them to determine at what angle, distance, and how fast the weapon was used. The last type of evidence I will discuss is documents. Everyone has different handwriting and different characteristics that make it unique. Computers are also unique in the way they type and print things.
Forensic toxicology is one of the oldest disciplines in forensic science history and dates back hundreds of years. However, the actual understanding and examination of forensic toxicology only dates back for about 200 years. Due to the development of technology, this discipline has been able to progress and flourish.
In today’s time, modern Crime Scene Investigation has increased rapidly. From throughout the late 1900’s and in the early 2000’s (Taylor 1). For all of the evidence that they find, a solid foundation has formed over the thousands of years of Crime Scene
Forensic Science, recognized as Forensics, is the solicitation of science to law to understand evidences for crime investigation. Forensic scientists are investigators that collect evidences at the crime scene and analyse it uses technology to reveal scientific evidence in a range of fields. Physical evidence are included things that can be seen, whether with the naked eye or through the use of magnification or other analytical tools. Some of this evidence is categorized as impression evidence2.In this report I’ll determine the areas of forensic science that are relevant to particular investigation and setting out in what method the forensic science procedures I have recognized that would be useful for the particular crime scene.
The word “Autopsy” means ‘to see with one’s own eyes,’ (2) and is a procedure that has been performed since the time of (LOOK UP IN NOTES). Not every death that occurs is subjected to an autopsy – this would be time consuming and expensive. Yet the situations that require such a procedure are different for every state. In fact, there is no federal standard when it comes to autopsy requirements or procedures – a surprising fact, considering the sheer number of years the human race has been practicing the procedure.
Crime Scene Investigation For my assignment, I will be looking into the case of James Bulger, aged 2 years old, who was kidnapped and murdered by John Venables and Robert Thompson on February 12th 1993. Through evidence found at the crime scene and testimonial statements, the police saw that the two boys, ages 11, abducted James from Bootle Strand Shopping Center, Liverpool. They took him on a long, aimless walk where they brutally attacked him and left him for dead. In my assignment I will show how work done by the police, forensic scientists and Investigators helped to convict Jon and Robert.
Forensic science is specialized in finding proof and evidence to analyze and search for clues. When crimes are done, criminals frequently leave behind evidence at the crime scene. Crime Investigators (AKA- CSIs) and Medical Examiners (MEs) the inspect the evidence left at the crime scene for leads to who did what. They try and rebuild the scene using the evidence and proof that they have. Forensic science has played a great role in finding evidence for crimes in history because it helps find the person who did wrong, the perpetrator, and it helps bring justice to the case. Forensics now are better than before because technological advances like DNA testing has been made, which takes forensics to a whole new level.
Crime today seems as if it keeps getting worse and worse, but without forensic science would we have been able to figure out some of the main details in some cases? Forensic science is any science used to help solve a case/mystery, which is very vital when it comes to criminal investigation research. While researching my project I discovered all the many tasks and difficulties that come with forensics.
In all cases in which the cause of death cannot be determined, a medico-legal autopsy is done. In a nutshell, a medico-legal autopsy serves to help explain a legal question surrounding the death in question e.g. is the manner of death natural, unnatural or undetermined? Was someone else involved? What were the circumstances leading to death? Therefore, in addition to the results and findings of the autopsy, other findings such as those from the crime scene also play big role in helping to determine what really happened.