Dna Fingerprinting Lab Report

Most crimes are solved by fingerprints and DNA. This is a prime example of a crime myth. The truth is less than 1 percent of all serious crimes are solved by DNA, and fingerprints do only slightly better. As mentioned in USA Today titled "Crime and the media: Myths and reality", it discusses some of the important insight to crime in the media causing myths. Another source that covers this topic is in an Irish Times article by O’ Toole, Fintan entitled “Myths that conceal the truth about roots of crime: [CITY EDITION]” it goes over the many aspects that relate to myths that are contributing to the truth about roots of crime. There are many factors that contribute to how the public understands and responds to crime, these observations are often inaccurate because of the media 's unrealistic method in presenting crime.

The shoeprint found at the scene of the crime best matched the victim,anna garcia. After studying all the people of interest and comparing their tread marks to the one at the crime scene i concluded that the shoeprint has the same tread marks as anna garcia

Three computers were collected. These computers gave evidence that Christopher Vaughn had the desire to leave his family behind and enter the Canadian wilderness. In addition, there was a PI magazine also found inside the house. This interested investigators because the cover story was about staging a crime scene. A fingerprint analysis was done on the magazine. There are different ways that prints can be developed in crime labs; by the use of traditional powders, fluorescent powders, chemicals, and superglue. They can be viewed under laser and UV lighting. When the finger print analysis was done on the magazine, Christopher Vaughn’s fingerprints did not show

but unlike blood the fingerprint is unique to a single person. The fingerprints that were recovered show the they belonged to anna. After analyzing the patterns of the fingerprint found and comparing them to and all of the suspects. They belonged to Anna. hair was recovered on the scene. Hair, like fingerprints can tell us if there was another person involved,the sex,raics, and sometimes the age. On the corner of the table was hair, it was determined to belong to Anna.

Albert DeSalvo was born on September 3rd, 1931, in Chelsea, Massachusetts. He was born to Frank and Charlotte DeSalvo. His father Frank DeSalvo, was of Italian descent and was a violent alcoholic. Frank was also very abusive towards his wife and children. At a very young age Frank was said to have taught Albert how to shoplift. Frank beat Albert as well as Charlotte, Albert’s mother. One particular incident involved Frank beating Albert with a lead pipe. From these incidents, the police knew the DeSalvo’s very well, as they had arrested Frank numerous times. The money that Charlotte made as a seamstress fueled Frank’s alcohol addiction. This addiction lead to his inclination to prostitutes, and frequently abused their services. This horrible

The Richard Ramirez "Night Stalker" case was one of the first major cases to use automated fingerprinting technology (Frese, 2011). Today, the fingerprinting database gives various probable identifications, then a trained fingerprint expert must compare the prints to find a likely identification. Considering that Ramirez's prints were found on the mirror of a stolen vehicle we can conclude that his fingerprints were two-dimensional, therefore the prints are termed as latent or residue prints. The authorities at the crime scene power-dusted his prints considering that is the best physical method for collecting fingerprints. Once analyzed using the ACE-V (analysis, comparison, evaluation and verification) method, the fingerprint expert was able to identify them as belonging to Ramirez. The ACE-V method is cited as being a scientific method in the comparison and identification of fingerprints. Meaning, that this method is the protocol all forensic scientists follow to conclude to accurate and consistent results making this procedure extremely important for this significant piece of evidence that identified

In 1892, a young woman named Lizzie Borden was accused of murdering her father and stepmother (“Lizzie Borden on Trial” 2). This accusation was influenced by the lack of evidence at the scene of the crime. There appeared to be no murder weapon, very few witnesses, and the house did not show any signs of an intruder (“Lizzie Borden on Trial” 5). Once the scene was investigated, it was determined that the cause of death for both victims was multiple blows to the head by an axe. Two axes were found in the home, and neither had a speck of blood (“Lizzie Borden on Trial” 14). As it were, there was not enough evidence to convict a killer, nor was there enough evidence to convict Lizzie Borden. She was declared not guilty (“Lizzie Borden on Trial”

This project originated from Europe in the 16th-century. Medics in the army and universities gathered information on the cause of death. Ambroise Parè, a French army surgeon, studied the effects of death on internal organs. The project has been used in the past and present by crime scene investigators or detectives. It is still used to trace DNA of any suspects in crime scenes. Because this method is so accurate, most detectives use this method of tracking DNA. I 'm going to tell you how the process of this method is going to be done. First, the detectives start by finding finger prints or blood samples. Once they collect samples they hand it over to a forensic scientist to analyze them. They start by measuring and observing blood spatters.

The Fourth Amendment was created in response to the British practice of issuing a general warrant—warrants that were not limited in scope. The ultimate check that the Amendment places on law enforcement is one of “reasonableness.” This creates two broad categories of searches: searches that would be unreasonable without a warrant and searches that do not require a warrant. For example, warrants are not relevant in the context of school administration. However, warrants have historically always been required in the course of ordinary law enforcement.” Searches have generally always required warrants, but over time the Court created exceptions.

Today, practical methods of using fingerprinting are extremely wide. In 1995, the size of the FBI fingerprint card archive contained over 200 million items, and archive size was increasing at the rate of 30,000 to 50,000 new cards per day [2]. Forensic science was the very first and most important area of its application, which still remains. The rapid development of computer technology has made it possible to create such fingerprint scanners that can be installed on laptops, cell phones, flash drives,

DNA has become a vital part of criminal investigations. DNA can include and exclude suspects of criminal investigations. During a criminal investigation, all DNA should be collected, properly preserved and tested, but at times this does not occur or the technology was not available for this process to occur. In addition, DNA has become an imperative portion of exoneration cases.

The Department of Justice says, "States began passing laws requiring offenders convicted of certain offenses to provide DNA samples." That DNA evidence can help convict someone of a crime and it helps to uncover more things about the crime itself. Investigators have been using forensic science to help them solve cases since before the 90 's, mostly fingerprints that were found at the crime scenes and on the victims (O 'Brien). DNA evidence has solved countless cases including ones that happened over a prolonged period of time because of the technological advancements there is

Nowadays, our modern life is becoming more comfortable and safe because of DNA (deoxyribonucleic acid). DNA is a genetic code that is made up of four chemical bases namely, adenine (A), guanine (G), cytosine (C) and thymine (T). Our body consists of about 3 billion bases and almost everyone has 99 percent of the same bases. Some organizations such as the Federal Bureau of Investigation, uses DNA and to help find and convict criminals. It is time-consuming to check and match DNA samples, but this can help the authorities to apprehend the real culprit. In the past, fingerprints, blood and other bodily materials in the scene of an offense were used by detectives in their investigation to catch and put criminals in prison but they were not foolproof methods. Wrongful convictions followed. But DNA

Every day, every person touches multiple things: a pencil, a doorknob, or a cup of water. Regardless of what we touch, each time we leave behind our individual identity through our fingerprints. Since no two people(even identical twins) have the exact same fingerprints, this allows these fingerprints to be used in a wide range of ways, including background checks and most importantly criminal situations. The talk about DNA fingerprinting analysis also may require all the other studies of forensic science to become more identifiably scientific. In short, the purpose of this paper is to examine the crucial assets of DNA fingerprinting analysis regarding crime scenes but also for the rest of the forensic sciences to learn something from this.

The majority of cells making up the human body are diploid cells carrying identical DNA, with the exception of haploid gametes and red blood cells. Several types of biological evidence such as blood and hair are commonly used in forensic science, which is the scientific study of evidence for crime scene investigations and other legal matters. Forensic science is used for the purpose of DNA analysis, this is the analysis of DNA samples to determine if it came from a particular individual. DNA analysis is done by obtaining DNA samples from an individual; next, a large sample of DNA is produced from amplified selected sequences from the DNA collected. Finally, the amplified DNA regions are compare using a gel. DNA Profiling