This is a product to help students review some of the important aspects of physical evidence. Topics touched on in this review include: What tool marks are- Types of tool marks (abrasion, cutting, indentation)- What can cause tool marks- How to collect tool mark evidence- Tool mark database- Types of impressions (patent, latent, plastic)- Treads- Collection of shoe evidence- When to use different types of impressions- Tire impressions- Types of tire marks- Dental impressions- How dental patterns