PPT-Hair as Evidence Human hair is one of the most frequently

found pieces of evidence at the scene of a violent crime Unfortunately hair is not the best type of physical evidence for establishing identity It is not possible to show with any certainty that two hairs came from the same person or animal However hair can be used to . Forensic Science. 2. Copyright and Terms of Service. Copyright © Texas Education Agency, 2011. . These . m. aterials are copyrighted © and trademarked ™ as the property of the Texas Education Agency (TEA) and may not be reproduced without the express written permission of TEA, except under the following conditions:. Evidence. Human hair is one of the most frequently . found. pieces of evidence at the scene of a violent crime. Unfortunately, hair is not the best type of physical evidence for establishing . identity. Hair. NS2232 - Littlefield. Trace Evidence--any small pieces of material, man-made or naturally occurring. Most common examples:. Hair. Fiber. NS2232 - Littlefield. Questions for Trace Evidence. What is it?. Forensic Science. Hair. Hair is. A slender threadlike outgrowth from the follicles of the skin of mammals. Found all over our bodies. Head. Face. Chest. Limbs (arms and legs). Pubic region. 2. Copyright © Texas Education Agency 2011. All rights reserved.. Hair can easily be left at the crime scene.. It can adhere to clothes, carpets, and be transferred to other surfaces.. Provide clues to the identification of a suspect.. Does not easily decompose.. Can provide a history of use and exposure to toxins.. Can only compare head hair to head hair. or . pubic hair to another pubic hair. Control hairs from suspect:. 50 full length head hairs. minimum of 24 pubic hairs. HAIR . is useful as forensic evidence because its protein polymers are…. phone calls taper off.”. . —. Johnny Carson. Comedian and television host. 1. INTRODUCTION. Human . hair:. one . of . most . frequently found pieces of evidence at . scene . of . violent . crime. . EQ: What is the structure of hair fiber?. Read . the case study on pg363 . (. blue book), . pg. 420 (orange), and write and answer the following questions.. What happened to the “Central Park Jogger”?. .. EQ: What is the structure of hair fiber?. Read . the case study on pg363 . (. blue book), . pg. 420 (orange), . and write and answer the following questions.. What happened to the “Central Park Jogger”?. Can only compare head hair to head hair. or . pubic hair to another pubic hair. Control hairs from suspect:. 50 full length head hairs. minimum of 24 pubic hairs. HAIR . is useful as forensic evidence because its protein polymers are…. EQ: What is the structure of hair fiber?. Read . the case study on pg363 . (. blue book), . pg. 420 (orange), and write and answer the following questions.. What happened to the “Central Park Jogger”?. EQ: What is the structure of hair fiber?. Read the case study on pg363 . (. blue book), . pg. 420 (orange), and write and answer the following questions.. What happened to the “Central Park Jogger”?. Hair can be very valuable to forensic scientists.. Need to be familiar with hair structure and chemistry.. A hair is composed of three layers: cuticle, cortex, and medulla.. Structure of Hair. =. toward root. Chapter 10. Trace Evidence. A category of physical evidence which includes any small pieces of material, man-made or naturally occurring. Most common examples:. Hair. Fiber. Forensic Use of Hair. Although it is not yet possible to individualize a human hair to any single head or body through its morphology, it still has great value as physical evidence..