Evidence

Trace Evidence: Hair & Fibers Analysis Trace Evidence Defined as materials that could be transferred during the commission of a violent crime, trace evidence consists of multiple sources of which include hair, fibers, soil, gunshot residue, among many more. Trace evidence can be transferred between people, objects, or the environment during the commission of a crime (Federal Bureau of Investigation, 2016). This idea is known as the Locard exchange principle which is the idea that whenever…

Physical evidence has a significant foundation in law enforcement and the judicial system. It is necessary for physical and circumstantial evidence to ensure the most accurate outcome of a trial. In some cases, the evidence is not as exact or direct. It appeared to me in the readings the authors were trying to show were all evidence must be exact or not be included in the trial. If this is the case, we would not need a court system. In the readings it appeared to me the authors were trying…

at the scene. One moving part is the collection of evidence, there are two types of evidence Physical evidence, and trace evidence. Physical evidence, is evidence that can be touched or is tangible. Another type of evidence is trace evidence, trace evidence can be transferred between people, objects, or even the environment during the time of the crime. Trace evidence is easily over looked at a crime scene to the untrained eye. Trace evidence can be hair fibers, finger prints, gunshot…

documenting of evidence from the initial discovery, in situ, up it is used in the courtroom. Through each step of the process: labeling, collecting, preserving, transferring, and analyzing,each piece of evidence, including locations and all those involved in handling the materials are systematically logged. This is important for forensic anthropologist and archaeologist because not only does it keep material evidence extremely organized but if done efficiently, if for any reason the evidence…

Fingernails As Trace Evidence Shamyiah Underwood Advance Criminalistics (FSC 620) National University Fingernails As Trace Evidence Trace evidence is the physical evidence resulting from the transfer of small quantities of material (e.g., hair, fibres, body fluids, textile samples, paint chips, glass fragments, gunshot residue particles, mud, insects, etc.) which may be collected by the police forensic unit, sexual assault team or medical examiner (Medical…

decedent is touched or moved, there is a significant possibility that valuable evidence could be lost or contaminated. The Locard’s exchange principle is an idea that whenever someone makes contact with an item, person, or location physical evidence is either taken or left behind, which is then collected and used as forensic evidence. Because the officer touched the revolver with his bare hands, he contaminated the evidence by possibly leaving his hairs, fibers and or fingerprints. At that time,…

crime scene it is important to be able to determine and identify certain bodily fluids versus non-human substances. Based on the location of the biological evidence and its DNA can provide crucial information about the crime scene, its victim, and the suspect(s). These tests divided between presumptive and confirmatory testing. Blood evidence is the most common type bodily fluid found at a crime scene. Presumptive testing at the crime scene can determine whether blood is present and may…

Evidence is essential to solving a case. There are many different strategies to solve one. Some include using criminalistics, forensic serology, and forensic evidence. Different strategies may give more accurate results in figuring out a case. However, in “Forensic: Evidence, Clues, and Investigation” by Andrea Campbell, forensic evidence is the most important to use when attempting to solve a crime. Forensic evidence is any physical evidence pulled from the scene or collected throughout the…

argues that a theory of evidence should be informative about how to gather evidence and when to be justified in believing a hypothesis on the basis of evidence in non-ideal scenarios as well as ideal ones. He puts forward four desiderata for a theory of evidence. It should: (1) be a theory of support; (2) be a theory of warrant; (3) apply to non-ideal scenarios; and (4) be descriptively adequate. While (1) requires that a theory of evidence explain the role of evidence as a truth indicator…

The location and condition of firearms and evidence at a crime scene should be diagramed and photographed before recovering and securing. Although physical evidence is important, safety must be the first concern. Each situation should be assessed before deciding to unload an evidence firearm. If the weapon is a type that can be safely transported in a loaded condition, this can be done. However, depending on the circumstances it may be risky to transport a loaded firearm. It should then be…