Footwear Evidence Detection

Question 1

List 3 basic methods of recording 2D evidence.

Answer 1

1. Photography
2. Sketching and Documentation (notes)
3. Lifting

Question 2

What are two methods of lifting dry origin footwear impressions?

Answer 2

1. Gel lifts
2. Electrostatic lifts

Question 3

What are the methods of developing wet origin impressions?

Answer 3

• Fingerprint powder
• Chemical development (silver nitrate or potassium thiocyanate)

Question 4

Where must the scale be placed when photographing 3D impressions?

Answer 4

The scale must be placed at the same level as the bottom of the impression.

Question 5

What are different casting methods for 3D impressions?

Answer 5

Dental Stone

Prill sulfur

Parafin wax