1 / 11

Hair Evidence in Forensic Investigations

Hair, a common trace evidence, holds valuable information in forensic investigations. Learn about its composition, morphology, and identification methods through this informative guide. Discover how to collect and preserve hair evidence effectively for analysis.

philipt
Download Presentation

Hair Evidence in Forensic Investigations

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Hair Trace Evidence

  2. Hair is composed of • Hair is produced by What is hair?

  3. Hair is common. • You can not determine • Nuclear DNA Why is hair useful?

  4. The hair shaft is composed of three parts: • The cuticle: • The cortex: • The medulla: Morphology of Human Hair

  5. Identified three ways: • Coronal (crown-like): • Spinous (petal-like): • Imbricate: Cuticle

  6. Can be identified four different ways: • Continuous • Interrupted • Fragmented • No medulla Medulla

  7. Identified three ways: • Cortical fusi • Pigment granules • Ovoid bodies Cortex

  8. Cortical fusi Pigment granules Ovoid bodies

  9. Use tweezers to collect and place evidence in the middle of a druggist fold. • Fold and tuck the paper so the evidence is secure. • Place the paper in an envelope and seal. Make sure to label the envelope appropriately. Collection and Preservation

More Related