4 1 History of Hair Analysis Chapter 4

4 -1 History of Hair Analysis Chapter 4: The Study of Hair November 13, 2014 Sanders 10: 06 AM

Homework Questions 1. 2. 3. Why is hair considered class evidence? What can change the classification of hair as evidence? What are the functions of hair? 10: 06 AM

Hair at the Crime Scene v Hair is considered class evidence. v It is also easily shed and left behind. 10: 06 AM

Class Characteristic v Hair is a character shared by all mammals. v Hair has many purposes. 10: 06 AM

Hair 16 September 2020 Trace Evidence I: Hairs and Fibers 10: 06 AM

Individual Evidence v If a follicle is present, then DNA can be taken from the cells present. v The follicle is made of cells. 10: 06 AM

Healthy Hair 16 September 2020 Trace Evidence I: Hairs and Fibers 10: 06 AM

History of Hair Analysis v Hair first used as trace evidence in 1847 in solve the murder of Duchesse de Praeslin. v Her hair was found on the Duke’s pistol. 16 September 2020 Trace Evidence I: Hairs and Fibers 10: 06 AM

Principles of Practice of Medical Jurisprudence v Alfred Swaine Taylor and Thomas Stevenson wrote a text in 1883 describing human hair. 10: 07 AM

Le Poil de l’Homme et des Animaux v Hair of Man and Animals published in 1910. v Included microscopic studies of hair. 10: 07 AM

Function of Hair v Hair on a mammal is for v. Temperature regulation v. Reducing friction v. Protection from light v. A sense organ 10: 07 AM