footwear & tire analysis

6
Footwear & Tire Analysis

Upload: maeko

Post on 16-Feb-2016

22 views

Category:

Documents


0 download

DESCRIPTION

Footwear & Tire Analysis. Impressions. Objects or materials that have retained characteristics of others through contact Examples Quality of impressions varies. Collection Methods. 2-D Methods Photography Powder Tape Electrostatic 3-D Methods Casting Some photography. - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: Footwear & Tire Analysis

Footwear & Tire Analysis

Page 2: Footwear & Tire Analysis

Objects or materials that have retained characteristics of others through contact

Examples Quality of impressions

varies

Impressions

Page 3: Footwear & Tire Analysis

2-D Methods◦ Photography◦ Powder◦ Tape◦ Electrostatic

3-D Methods◦ Casting◦ Some photography

Collection Methods

Page 4: Footwear & Tire Analysis

Situations where they may be found

Features to analyze◦ Tread Pattern◦Width/Depth◦Wear and Tear

Tire Track Evidence

Page 5: Footwear & Tire Analysis

Features to Analyze:◦ Type of Shoe◦Wear Patterns◦Defects◦ Tread Depth and Size◦Other Trace Materials

Shoe Print Evidence

Page 6: Footwear & Tire Analysis