Identification Techniques Used for Firearms, Tool Marks, and Other Impressions

the crime scene with exemplar prints, comparison of bite marks on a victim, DNA evidence, hair and fibre matching are some of the example of pattern comparison in forensic science (Coyle, Field & Wenderoth, 2009). Comparison of pattern evidence in forensic science is to determine whether the same kind of the properties of forensic traces may have come from a common (or related source) (Found & Edmond, 2012). There are varieties of techniques in forensic pattern evidence that make associations between

Bullet Comparison and Analysis The firearms and tool marks division of most forensic science laboratories have several tasks they may have to perform on items of evidence that come to them; this ranges from testing functionality of a weapon, restoring serial numbers, finding and comparing marks left from different tools at a crime scene, and comparing and analyzing bullets and casings. To be able to perform a bullet comparison, one needs to be able to distinguish several base class characteristics

Sarah Schulteis Professor Papez Intro to Forensic Science 28 March 2015 Firearm Investigation Firearm investigation is a “specialty of forensic science focusing on the examination of firearms,” (Rankin) and has been around for hundreds of years. One of the earliest recorded cases was of a man shot and killed in 1784 England with a pistol. The police found the wad of paper from the weapon and matched it to a piece of torn newspaper in a suspect’s pocket, sending him to jail (Triple Murder). In modern

When conducting an investigation for a homicide due to a handgun it is important that investigators and firearms technicians have an understanding on how a handgun is manufactured, what is a bore, rifling patterns and their purpose, and caliber. Class and individual characteristics are present in handguns, projectiles and shell casings. Every handgun contains general rifling characteristics based on the number and width of grooves, as well as the direction of grooves. After a handgun is fired it

application of science in legal matters. Forensic science is synonymously also called as Medical jurisprudence. Forensic skies uses highly developed scientifically sound technologies to understand scientific evidence. Modern forensic science may be used for It can help in solving cases related to forgeries, fraud or negligence. It can help the officials of the legal department to find out if any of the laws or regulations in the manufacture of medicines, use of pesticides on crops or in the marketing

Collecting Physical Evidence There are many differents things involved in the identification and collection evidence. In order to do these things you have to know what things like what physical evidence is, what impressions are, different types of evidence you could find and how to use it and knowing what forensic science is and the different types is important too. Also you need to know the proper labelling technique. In order to prosecute someone you have to be able to prove they were at

INTRODUCTION Evidence plays a major role usually in trail of a case. Several types of evidence can be used. Evidence can be divided into two categories – Testimonial evidence and Physical evidence. Physical evidence is one type of such evidence; this evidence can be brought to court room for observation during trails. This is the most important evidence. Physical evidence is also known as real evidence, they consist tangible article from tiny microscopic to macroscopic evidence from large building

out that CSI the show had glamourized the investigative process and the science on how the results were actually given. (Toobin, 2007) The realistic things that were noticed were how they gathered the bodies and body parts. They were tagged with identification and taken to an area to be examined further. They were able to get the killers finger prints while he was in the hospital because he was the only survivor of the crash. The photographer took photographs of the crimes scene and how the investigators

science in court. In the case, Bloodsworth v. State of Maryland, these rules were not followed and the forensic evidence presented should not have been admissible in court. Every attempt should be made to properly study techniques and have its accuracy verified before being used to describe or analyze evidence in court. The standards for the admission of scientific evidence developed gradually over the years. It started with the case, Frye v. United States, in which the court concluded that evidence

There are several search methods or patterns applied in an organized search. Factors such as the number of searchers, the size of the area to be searched, the terrain, etc. are used to determine the method or pattern to be employed in the crime scene search.” (Amos, 2011) Since most investigations start with very limited information, care and common sense are necessary to minimize the chances of destroying evidence. A plan