Impressions -tools, footprints, tire marks

Front

What type of tire mark indicates the area of impact?

Back

Tire Scrub

Front

What is the first step to take with impression evidence?

Back

Photograph it with a ruler.

Front

What part of the tire is referred to as the 'Tire Groove'? How many ribs are typically shown?

Back

Tire Groove; 3

Front

What type of evidence is created when one object is pressed against another material with force?

Back

Impression Evidence

Front

What method of collecting impression evidence uses a dental stone or mixture to preserve the dimensional characteristics of the print?

Back

Casting

Front

What is the purpose of photographing impression evidence with a ruler?

Back

To provide a scale for size reference and documentation.

Front

What are the two main types of tire marks?

Back

Tire Scrub and Tire Track.

Front

What is the significance of tire tread patterns in forensic analysis?

Back

They can help identify the make and model of a vehicle.

Front

What is the difference between a 2-D and a 3-D impression?

Back

A 2-D impression captures surface details, while a 3-D impression captures depth and dimensional characteristics.

Front

What materials can be used for casting impression evidence?

Back

Dental stone, plaster, or other similar mixtures.