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Essays on DNA Fingerprinting
Essays on DNA Fingerprinting
Essays on DNA Fingerprinting
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The Blooding is a true story of the first murder case solved by a genetic “fingerprinting”. In 1983, a fifteen-year-old Lynda Mann’s was found murdered and raped near the English village of Narborough in Lester, England. The local police had no suspects and no clues. During the time, Alec Jefferys, a professor, developed techniques for DNA fingerprinting to see if the pattern of inheritance was as simple as he expected it to be. The Lynda Mann’s murder case was still enlarged and open for a couple years.
Then another fifteen-year-old Dawn Ashworth, also from Lester, was found murdered. The police were sure that they were dealing with a single perpetrator, but had no way to identify him. A professor of psychiatry from Leicester University claims that the killer is someone you least suspect and that the killer isn’t ill; that even his family and friends would even believe he isn’t responsible for these murders. With the case of Dawn
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Ian confessed to everything but he didn’t know it was for murder and what kind of murder it was. The detectives went to Colin Pitchfork home and arrest him for the murders, however Colin was already in control before he even got into the police station. He wanted to tell his friends and family before it got to the papers. He wanted to the story his way and when he got into he interviewing room he started telling the detectives his life story because he wasn’t going to tell the confession unless it was done his own way. So he finally started to tell his story of the murders and made it seem like Lynda Mann wanted to have sex with him. He was a smart and had rules to do his flashings to girls. Colin was confessing to his killings with excitement, he didn’t care what happen to them because while in the process of raping and killing he felt that he couldn’t stop because the girls didn’t even bother to struggle so he felt that they wanted
On the night of August 31st 1986, Angelique Lavallee a battered 21 year-old woman in an unstable common law relationship was charged with murder. She shot her spouse, Kevin Rust in the back of the head while he was leaving the bedroom. Angelique was in fear for her life after being taunted with the gun and was threaten to be killed. Hence, she felt that she had to kill him or be killed by him. The psychiatrist Dr. Shane, did an assessment and concluded that she was being terrorized by her partner. Dr. Shane concluded that Angelique was physically, sexually, emotionally and verbally abused. As a result, in the psychiatrist’s opinion, the killing was a final desperate act by a woman who seriously believed she would be killed that night. This in turn identify her as a
In today's society no crime is a perfect crime, with the use of DNA testing and modern advancements in health and forensics even the smallest piece of someone's genome can be cultured and used to identify even the most devious of criminals. The use of DNA testing was able to help change the life of Gene Bibbins for the better and further proved how DNA testing is able to be used to help clarify who the culprit actually is. Gene Bibbins life was forever changed the night that he was unjustifiably arrested for aggravated rape which resulted in his being sentenced to life in prison, only for his case to eventually be reevaluated sixteen years after his conviction, leading to his exoneration.
After looking at all the evidence and how the mystery really unfolded, Joseph Mumfre is the first and only realistic suspect we will look at. The evidence thus far all points to him, and it is not a coincidence that the murders stopped after Mumfre was shot dead. Mumfre was in and out of jail, all during the course of the killings, and all the evidence, including the police, frame Mumfre for being the axeman. Now we will look into more of what the evidence shows and look at more of an
A short trip to the library computer lab to check on sources for this paper led me to believe that fiction could in part become real, especially when dealing with health insurance coverage and heritable diseases. I will begin by clearing up some misconceptions and explaining some of the current shortcomings of DNA testing. It is not possible to completely genotype a person "instantly" as in the movie. We are only able to discern the markers of some diseases that are genetically linked. This takes time, is labor intensive, and is easy to contaminate.
One of society’s problems is that the wrong people are convicted of a crime they did not commit. None have more dire consequences on those than who are wrongly convicted of rape and murder. The punishment for these crimes are as harsh as possible to deter the crimes and when wrongly convicted, the wrong person gets punished while the true perpetrator gets away. In order to increase the chance of convicting the true perpetrator of the crime, the tools to find and convict criminals had to be refined. And it was refined due to extensive research into DNA. This research was done by Alec Jeffreys and Vicky Wilson, the research’s technician, and it found that in the massive amount of junk codes, there exists many repetitious codes that have copied so many times that it varies from person to person. (Ridley 132) This means that people can be identified with only their DNA from their hair, fluids, skin, etc. This discovery has led to convictions of rapists and murderers such as the Pickford case that Ridley wrote about. It has also led to the sentences of many wrongly convicted people to be retracted and this had led to the release of about 200 people known as the DNA 200. (Phelan) Now, most of the world keeps criminals’ genotype information in order to identify repeat offenders. In the United States, every state requires that every convicted
In the San Francisco Bay Area, many mysterious murders occurred which frightened many people. In the late 1960’s, the Zodiac Killer, was responsible for the victims who were murdered in his attacks. The notorious serial killer was never brought to justice, and his identity is still a mystery. The Zodiac Killer would make threats by phone calls and letters to frighten the community in Northern California. This unknown killer sent coded messages to newspapers in the Bay Area which were later on decoded and explained his motives. There has been many false theories on the identity of the Zodiac Killer,
In many cases, serial killers began their lives as remotely normal human beings. Most, however, have detectable characteristics of murderers before they hit puberty. Otis O’toole, for example, started a neighbourhood fire when he was six. George Adorno was even younger when he first displayed his pyromaniac tendencies by setting fire to his own sister when he was four. Along with pyromaniac behavior, other often-cited warning signs are enuresis (bed-wetting) and cruelty toward animals. Often, serial murderers are abused physically, psychologically, and sexually as children, sometimes from a stranger, but in most cases from a trusted family member or friend. Typically, they come from broken families, usually...
Serial killers commonly attack a single target at a time one on one. There also tends to be no or very little relation between the person being killed and the killer (murder 1). “The nature of this drive has been heavily debated, but there is a consensus on some points (Anderson 1).” Many researchers have noted sexual behavior in the murder.
Mass murderers are some of the most brutal killers around. The many types, traits, motives, and methods keep criminologists investigating the distinct reasons as to why a person becomes a killer. While they try to figure that out, the other members of society may be waiting for an answer that will never be
Countless serial killers have had an abnormal childhood; many people believe this is where the catalyst of events starts. It is proven, that more often than not, serial killers have either lived in an inhabitable home, had lackadaisical parents, or could have a different frame of mind. This being said, when one hears about mass murderers or serial killers, the first question that pops into a person’s head is, “What were they thinking?” For all a person knows, this could be the killer’s normalcy.
The theory of DNA, simply stated, is that an individual’s genetic information is unique, with the exception of identical twins, and that it “definitively links biological evidence such as blood, semen, hair and tissue to a single individual” (Saferstein, 2013). This theory has been generally accepted since the mid-80s throughout the scientific community and hence, pursuant to the 1923 Frye ruling, also deemed admissible evidence throughout our justice system.
According to federal law, the term ‘serial killings’ means a series of three or more killings, not less than one of which was committed within the United States, having common characteristics such as to suggest the reasonable possibility that the crimes were committed by the same actor or actors. Throughout history, serial killers have always been a fascination among many individuals. On numerous occasions, law enforcement has tried to dive into the psyche of these killers to determine why they kill. There have also been numerous stereotypes placed on serial killers. Typical stereotypes are serial killers are all white males, loners, and that their crimes are driven by sex.
Serial killers have many frightening facets. The most frightening thing about them is that experts still do not know what makes a human become a serial killer. Many experts believe serial killers become what they are because they have a genetic disposition or brain abnormality while other experts believe that a serial killer is created by childhood abuse; and some other experts believe that it is a combination of both brain abnormalities and abusive childhood experiences that creates a serial killer. A murderer is considered a serial killer when they “murder three or more persons in at least three separate events with a “cooling off period” between kills” (Mitchell and Aamodt 40). When defining a serial killer, their background, genes, and brain are not mentioned; perhaps one day those aspects of the serial killer can be included.
Ever wondered if there is a serial killer in your community? The characteristics of a serial killer may shock you or be surprisingly familiar to some of you. It is important for society to get informed about the various types of serial killers that are out there. It is essential for families to educate their children about strangers, to be careful with everyone they encounter on the streets, store, and even in their neighborhoods. A serial killer is defined as a person who murders three or more people in at least three separate events, with a "cooling-off period" between the kills. The big question is, what makes a person do these atrocious killings? We will analyze personal histories, categorized serial killers,
In order to identify serial killers before they kill repeatedly, a person needs to study the characteristics that makes up this type of criminals. Most serial killers have been abandoned, by one or both parents, they are emotionally, physically, and even sexually abused by a family member, or relatives from unstable families who have criminal, psychiatric and alcoholic histories, or tend to have hate for their parents and people in general which makes them have antisocial personality disorder. They have conflicted pain or tortured animals at a young age and most are highly interested in gaining control over things. Even though not every serial killers posses these characteristics, but most share these characteristics the same way they share the psychological need to have complete control and power over people.