Shoe Mark Analysis Techniques

The video tutorial explains the process of analyzing shoe marks found at crime scenes. It covers the differences between two-dimensional and three-dimensional shoe marks, methods for photographing and casting these marks, and the ACE-V method used for analysis. The tutorial also discusses the importance of class and individual characteristics in shoe mark analysis and the final steps of comparison and peer review to verify findings.

What are the two types of shoe marks found at crime scenes?

• Visible and invisible shoe marks

• Large and small shoe marks

• Two-dimensional and three-dimensional shoe marks

• Wet and dry shoe marks

What is the first step in analyzing a two-dimensional shoe mark?

• Casting the mark

• Photographing with different light sources

• Scanning the mark

• Measuring the mark

What does the 'V' in the ACE-V method stand for?

• Validation

• Variation

• Verification

• Visualization

Why is a scale used when photographing shoe marks?

• To compare with other marks

• To ensure the photograph is to scale

• To enhance the image quality

• To measure the depth of the mark

How are test impressions made for three-dimensional shoe marks?

• Using a digital scanner

• By drawing the mark

• In a similar material to where the mark was found

• Using ink on paper

What tool is used for creating two-dimensional test impressions?

• A digital camera

• A plaster cast

• A measuring tape

• An inkless impression pad

What are class characteristics in shoe mark analysis?

• Unique marks from wear and tear

• Manufacturing details common to all shoes of the same type

• The color of the shoe

• The size of the shoe

What are individual characteristics in shoe mark analysis?

• The pattern on the outsole

• The size of the shoe

• Unique marks from accidental or deliberate actions

• The brand of the shoe

What is the final step in the shoe mark analysis process?

• Measuring the shoe mark

• Casting the shoe mark

• Photographing the shoe

• Peer review by another qualified member

Who receives the final results of the shoe mark analysis?

• The shoe owner

• The investigating officer

• The crime scene photographer

• The shoe manufacturer