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forensics science

 

Fingerprinting is used because every person has a unique set of fingerprints. There are many ways to acquire a persons fingerprints from a crime scene. One of the techniques mostly used is dusting. Dusting for fingerprints is done by sprinkling powder or applying powder with a soft brush to a fingerprint. The powder sticks to oils in a fingerprint making it more visible. Than a piece of adhesive tape is used to extract the fingerprint. (Criminalistics:An Introduction to Forensic Science .
             Anthropology 3443 Class Notes #4 ) In some occasions, a technique of heating super glue .
             is used to achieve the desired fingerprint. First, the area is sealed off. Then the super glue is heated, the fumes from the heated super glue stick to the oils in the fingerprint. With the fingerprints visible it can be obtained. When a suspect puts a bloody palm print on a wall then paints over it, a variable light source can expose the prints through the freshly placed paint. .
             The next technique involves firearms. When a firearm shoots a bullet, the firearm leaves noticeable marks on the bullets. If the firearm can be found, two bullets can be compared to see if the firearm is the firearm used in the crime. Gun powder residue may be used as another clue. When a firearm is fired, gunpowder residue is left behind on hands, clothes, and other surroundings. These residues can be compared to other residues. Many times when a firearm is used a criminal will destroy the firearm serial numbers. To restore serial numbers, scientists use acid to dissolve the distorted metal crystals. The distorted metal crystals liquefy at a quicker pace than non distorted metal crystals leaving the serial number visible. There are other tests that can be done. Dental impressions can be used to identify an unidentified victim. Bite marks on a victim can be .
             DARDAR 3.
             compared to a suspect.


Essays Related to forensics science

1. Using Forensic Science

With this knowledge it is left to believe that all attributes considered to be used with science sound similar to the usage of forensic science. Unfortunately, forensic sciences study past incidents. ... Whereas, forensic science cannot be intertwined with theories simply because it will make actual instances seem untrue. ... Forensic science is the concept of obtaining and reviewing knowledge about the past which is later applied cases of the courts. ... The forensic science method has to be implemented in order to gain accurate results. ...

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2. Forensics

Forensics is defined as the application of science to interpret clues for crime investigation. ... There are many areas of forensics which include: general crime scene investigation, forensic chemistry, forensic toxicology, forensic pathology, genetic fingerprinting, fingerprinting and chromatography. ... Forensic Toxicology is an interdisciplinary science dealing with and interpretation of drugs and chemical samples for medical-legal purposes the hybrid and analytical chemistry, pharmacy toxicology. The Forensic Science Foundation said, Forensic toxicology is the study and understanding of th...

  • Word Count: 4359
  • Approx Pages: 17
  • Grade Level: Undergraduate

3. Forensic science

CHAPTER 1 The History of Forensic Science Today science has enlarged the magnitude of crime. ... This is why forensic science is science as it relates to the law.# Without a doubt the forensic science field has come a long way form it's Chinese beginnings in the 700"s, where they used fingerprints to establish the identity of documents and sculptures. ... To add on there were also a number of technological advances which have opened up new opportunities to the forensic science profession. ... Because of that, advances in technology are being applied to make the field of forensic sc...

  • Word Count: 383
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  • Grade Level: High School

4. Forensic Anthropology

What is Forensic Anthropology? ... For example, cultural anthropology may overlap with studies of foreign language, economics, psychology, sociology, political science, the medical field, ecology, women's studies, history, and so on. ... Realistically, in most situations a forensic anthropologist does not practice forensic anthropology all the time, or constantly. ... *Analyzing skeletal remains to establish the profile of the individual *Looking at trauma evident on the bones to establish the pathway of a bullet or the number of stab wounds *Working with a forensic odontologist (de...

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  • Grade Level: Undergraduate

5. Forensic Sciences

According to Webster's Dictionary, the definition of the word "forensics- is "the use of science and technology to investigate and establish facts in criminal or civil courts of law."" The use of forensics has been used to aid the investigations of crimes for over a century. Although investigating crime scenes is not exactly the same as it used to be in the beginning, investigators still use the basics but have just added the help of science to more accurately prove a suspect. Forensic science is a valuable aid in assisting both the police and the courts in bringing the ac...

  • Word Count: 1890
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  • Grade Level: Undergraduate

6. Forensic Anthropology

Forensic Anthropology From within the specialized field of osteology, the study of bones, arises a new field of study; forensic anthropology. Forensic anthropology is the application of the science of physical anthropology to the legal process. ... Forensic anthropologists frequently work in conjunction with forensic pathologists, odontologists, and homicide investigators to identify a decedent, discover evidence of foul play, and investigate the postmortem stages. ... As the prevalence of violent crimes increases, so does the need and use of forensic anthropology and archaeology. ... Ano...

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7. Forensic Psychology and Reality

First, it will explain what forensic psychology is and how it came about. ... Cattell helped make psychology a legitimate science which made it worthy of studying at the highest levels of the academia. ... Forensic psychology is a specialty area that is still relatively new. ... Forensic psychologists are basically psychological scientists. ... Forensic psychologists do not only have one job. ...

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  • Grade Level: Undergraduate

8. Forensic Science

Forensic science is the application of scientific techniques in collecting and analyzing physical evidence in criminal cases."1 Forensic science has really advanced over the years. ... There are many branches to the world of forensic science. There are: firearms and tool mark identification, forensic psychiatry and profiling, criminal law, personal identification, forensic photography, and crime scene processing. ... Next let's examine forensic psychiatry and profiling. ... That is DNA testing at its most basic."6 Hair Comparisons are also a big part in forensic science. ...

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  • Grade Level: High School

9. Forensics

Conan Doyle Forensic science is the combining of science with law. ... Forensic science is mainly used to investigate crimes such as assault, rape, kidnapping, robbery and murder. ... There are many different techniques used in forensics. ... The formulas are: Length of femur x 2.38 + 61.41 cm. = height Length of tibia x 2.52 + 78.62 cm. = height Length of fibula x 2.68 + 71.78 cm. = height Forensic anthropology is mostly used in airline disasters, but is has also been used to solve some of forensic sciences most challenging cases. ... And with technology changing so often, for...

  • Word Count: 1600
  • Approx Pages: 6
  • Has Bibliography
  • Grade Level: High School