Exam Review: Impressions as Forensic Evidence

Front

What can be determined by examining the eruption and wear patterns of teeth?

Back

Age of the individual.

Front

What are yaw marks?

Back

Sideways skid marks produced when a vehicle turns faster than it can handle.

Front

What is a groove in tire tread?

Back

A channel in the tire tread that helps with water drainage and traction.

Front

What should NOT be done when documenting a shoe print found in soil?

Back

Inking.

Front

What is the average length of skid marks left by a car that skids to a stop?

Back

25 feet.

Front

What is the drag factor in a skid test?

Back

A coefficient that represents the friction between the tires and the road surface.

Front

What is the purpose of photographing a shoe print at a crime scene?

Back

To create a visual record of the evidence.

Front

What is the significance of measuring a shoe print?

Back

To determine the size and type of shoe, which can link a suspect to a crime.

Front

How do you calculate a car's speed before braking using skid marks?

Back

Use the formula: Speed = √(30 * D * F), where D is the distance of the skid marks and F is the drag factor.

Front

What is the role of casting in forensic evidence collection?

Back

To create a three-dimensional impression of a shoe print or tire tread.