Power Of Evidence Notes

Submitted By Maciexx95
Words: 714
Pages: 3
Open Document
Power of Evidence Notes Name _______________

1. Testimonial evidence would be any witnessed accounts of an incident or crime.

2. Physical evidence refers to any material items that would be present on the crime scene or the victims. These items would be presented in a crime investigation to prove or disprove the facts of the issue.

3. Trace Evidence refers physical evidence that is found at a crime scene in small but measurable amounts and can be anything from strands of hair or skin cells to tool marks and physical (fracture) matches. Trace evidence can be used to identify a victim or suspect or determine how a crime was committed.

4. The value of trace (or contact) forensic evidence was first recognized by Edmund Locard in 1910. He was the director of the very first crime laboratory in existence, located in Lyon, France. The Locard’s Exchange Principle states that "with contact between two items, there will be an exchange.

5. Give an example for how each type of evidence could be used in the investigation of a crime scene.
Evidence
Uses
Paint
Paint can be transferred from one place to another, often getting left behind at a crime scene.
Explosives
Chemical spot test are performed once an explosive is safe, the chemical spot test will determine the makeup of the chemicals that were used in the explosive
Glass
Glass fragments will usually get in hair or on someone’s clothes, glass particles can be compared to particles at the crime scene.
Dust/Dirt
Can determine where someone lives, works, where they have been, or even if they have pets.
Firearms
Residue, components, and ammunition are all examined to find a match. Gunshot residue can be found on someone’s hands or face within the first 6 hours the person was exposed to it. Labs can compare it with target residue.
Fluids
Saliva, sweat, or semen can all be found at a crime scene in coagulated or dried form. If vomit has been found it can be used to determine what the person had in their system. Cigarettes can have dried saliva on them, and semen containing sperm is very valuable for DNA.
Blood
Can determine when the crime took place based on how dry the blood is. The shape of the blood left behind can help detect what exactly happened. Blood can be used to eliminate suspects as well find the suspect.
Wounds
Wound can tell investigators what happened to the person based on the shape and size by being compared to other weapons. A wound pattern is a technique that can help tell how a crime was committed and characteristics of the suspect.
Tool Marks
Can be found at crime scene where a break in or robbery has occurred
Shoeprints/Tire prints
Can be found at crime scenes where they can be photographed, lifted, or even cast with dental stone to help find a match. Can help
Show More

Related Documents: Power Of Evidence Notes

Case Study: Study Guide

Study Guide: Module/Week 1 Day Assignment Est. Time to Complete Point Value M Read Syllabus and Course ScheduleComplete CRC Watch Introduction to HIUS 221 Video Complete Class Introductions DB 20 minutes 10 minutes 10 minutes 30 minutes 10 points T Watch Introduction to Module Video Read McClay: pages 1–35 Read Textbook Chapter 1 Complete Chapter 1 Study Plan (MyHistoryLab) – See Additional Materials folder 10 minutes 45 minutes 1 hour 20 minutes 1 hour W Read Textbook Chapter 2, pages…

Words 388 - Pages 2

Independent Study Guide

The Nottingham Bluecoat School and Technology College Post 16 Centre Independent study guide 2011-12 Help make the jump from GCSE to Post-16 study with these suggested study tasks from your teachers. Post-16 Independent study guide “What determines your success at GCSE is how hard you work in your lessons. What determines your success at A Level is how hard you work outside of lessons.” Across the country GCSE results have steadily been rising over the past few years. Some people put this…

Words 5145 - Pages 21

Midterm Study Guide

HSM340 Midterm Study Guide YOU MAY WANT TO PRINT THIS GUIDE. 1. The Midterm is "open book, open notes." The maximum time you can spend in the exam is three hours. If you have not clicked the Submit for Grade button by then, you will be automatically exited from the exam. In the Midterm environment, the Windows clipboard is disabled, and so you still will not be able to copy exam questions or answers to or from other applications. 2. You should click the Save Answers button in the exam frequently…

Words 1021 - Pages 5

Essay Study Guides

Essay Study Guides By Mrs. Spangler in the Middle ©2014 E. Spangler The following pages are study guide “cards” to hand out to your students to help them study for your state writing assessment. They serve as reminders of how essays should be organized and give some transition, definition, example, objection and anecdote starters. I suggest copying them on cardstock with Persuasive on one side and Expository on the other side to save paper.  I hope this helps you and your students feel…

Words 893 - Pages 4

Study Guide Essay

High-Alert Medications and Safe Practices A study guide for nurses Marla Husch, RPh Jennifer M. Groszek, RN, BSN, MJ Denise Rooney, RN, BSN, OCN CONTENTS About the authors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iv Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vi Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .…

Words 3638 - Pages 15

Midterm Study Guide

Midterm Exam Study Guide The midterm will be open notes, but NOT open computer. Anything you have handwritten you may bring to class. You may bring any documents to class as long as they are marked with your notes. Format: 2 out of 3 short answer; 1 out of 2 essays Short Answers will be derived from the following terms, people and events. Answers should identify the term and, most importantly, identify its significance (use your analytical skills to draw out why its important). Answers do…

Words 417 - Pages 2

Sociology Study Guide

Tuesday, October 21, 2014 Sociology Study Guide Family ! 1.) Functionalists and New Rights view the family as POSITIVE. They believe that the family: offers a warm bath to sink into benefits children and parents. Functionalists believe: the nuclear family is private and self-contained w/ little contact with community (Parsons) functions of the family: reproduction, economic maintenance (Fletcher) family functions: teaches family members the roles they’ll play. CRITICISMS: ‘rose colored spectacle…

Words 572 - Pages 3

Study Guide Essay

10/14 Study Guide Seventh Edition, 2013 BAM 411 Human Resource Management Message From the President W elcome to California Coast University. I hope you will find this course interesting and useful throughout your career. This course was designed to meet the unique needs of students like you who are both highly motivated and capable of completing a degree program through distance learning. Our faculty and administration have been involved in distance learning for over forty…

Words 25132 - Pages 101

study guide Essay

2nd Semester Final Exam Study Guide 1. Evolution: change in a species over time; process of biological change by which descendents come to differ from their ancestors. Speciation: evolution of two or more species from one ancestral species 2. Natural Selection: mechanism by which individuals that have inherited beneficial adaptations produce more offspring on average than do other individuals; Artificial Selection: process by which humans modify a species by breeding it for certain traits 3. Darwin’s…

Words 786 - Pages 4

Essay on Study Guide

BA 491: BUSINESS STRATEGY AND POLICY Midterm Review and Study Guide Spring 2014 Mayes The exam will cover all lecture material, assigned readings and cases since the beginning of the term. Be sure you have familiarized yourself with each of the articles and cases we have read. Since this is a capstone course which has some required textbook reading, be forewarned that there may be a few areas in these chapters that we have not gone over in class in depth that will be on the test. In terms…

Words 994 - Pages 4