1. There is a man found dead in a circular mansion
There is a man found dead in a circular mansion. The detective interviews the cook, maid, and babysitter. The cook said he couldn't have done it because he was preparing the meal. The maid said she couldn't have done it because she was dusting the corners. The babysitter said she couldn't because she was playing with the children. Who was lying?

2. Foot Impressions!

3. Introduction
People, vehicles, and objects leave evidence of their presence at an accident or crime scene.
Patent impressions are two-dimensional
Latent impressions are hidden to the eye
Plastic impressions are three-dimensional

4. Types of Impressions

5. Shoe Impressions Shoeprint size indicates the foot size
The depth of a foot or shoe impression indicates a person’s weight
The type of shoe can tell something of the person’s job or personality

6. Shoe and Foot Impressions
Databases are used to identify different types of shoes.
Contain manufacturer and tread patterns
More than one company can purchase a sole from a manufacturer which complicates identification.

7. Shoe Wear Patterns Factors that personalize a person’s footwear:
Body weight
The way a person walks
Weight distribution
Direction of toes (straight, pointing out or in)
The surface on which the person walks
Unique holes, cuts, and debris embedded in the tread

9. Gait and Tracks Examining tracks can reveal:
If a person was running or walking
If someone is injured
The likelihood that somebody is older or disabled

10. Collection of Shoe Impression Evidence
Impression evidence is documented before casting

11. Electrostatic Dusting and Lifting

12. Gel Lifting
A gel lifter is a layer of gel sandwiched between paper backing and a plastic cover sheet.
It is thick and flexible to conform to uneven surfaces, and it is best used on oily or moist prints.
So where would we use them?

13. Foot Length, Shoe Size, and Height
The length and width of the shoe vary by the shoe type.
There is a general correlation between height and foot size.