PPT-Trace Evidence: Fiber

2 Copyright Texas Education Agency 2011 All rights reserved Images and other multimedia content used with permission  Copyright and Terms of Service Copyright Texas Education Agency 2011 . 2. Fibers. Are considered class evidence. Have probative value. Are common trace evidence at a crime scene. Can be characterized based on comparison of both physical and chemical properties. . Identification . Benefits of Fiber Fiber not only promotes health, it also help reduce the risk for some chronic diseases. For instance, fiber prevents constipation , hemorrhoids and diverticulosis. Fiber is also li Are considered class evidence. Are common trace evidence at a crime scene. Can be characterized based on comparison of both physical and chemical properties . Fabric. Fabric is made of fibers. . Fibers are made of twisted filaments called yarn.. 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?. further 23 . countries). C. overs about 324 . million households, 206 . million in . the EU and 118 million outside the EU. Aggregate . forecast slightly down compared to . 2013. Eastern Europe . continued . H. umphreys. What Is Trace Evidence?. Trace evidence is the materials or markings that are left behind when different objects or materials come into contact with one another.. This usually occurs due to friction.. Textile . Fiber Defined. Defined as the smallest part of a textile material. Many objects in our environment (clothing, ropes, rugs, blankets, etc.) are composed of yarns made of textile fibers. Textile Fiber Categories. Hairs and Fibers. FORENSIC SCIENCE: An Introduction by Richard Saferstein. 1. Introduction. Hair. is encountered as . physical evidence. . in a wide variety of crimes.. Although it is not yet possible to individualize a human hair to any single head or body through its morphology, it still has value as physical evidence.. Chapter 11. 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 . I: . Hairs and Fibers. FORENSIC SCIENCE: An Introduction by Richard Saferstein. 1. Introduction. Hair. is encountered as . physical evidence. in a wide variety of crimes.. Although . it is not yet possible to individualize a human hair to any single head or body through its morphology, it still has value as physical evidence. SFS2. Students will use various scientific techniques to analyze physical and trace evidence. .. b. Analyze the morphology and types of hair, fibers, soil and glass. . SFS1. Students will recognize and classify various types of evidence in relation to the definition and scope of Forensic Science. . Graham Price. . Manish . Vachharajani. Motivation. Tools can be useful. Representation take days to create!. ParaMeter. Fabrel. Studio. Are they useable?. DIN vs. Ready Time. li r1, &fibarr. mov r2, 8. 2015-2016. Vocabulary. Vocabulary:. Keratin. A type of fibrous protein that makes up the majority of the cortex of a hair. Neutron . activation . analysis. A method of analysis that determines the composition of elements in a sample. Chief Brady Mills . &. Erika Avila. (Former DNA Analyst). Texas Department of Public Safety. Crime Laboratory. overview. Biology/DNA Case Acceptance Policy. Evidence Handling Practices . Forensic Serology Screening.