Hair, Fiber, and Soil Evidence

Front

What is the purpose of taking a reference sample from an undamaged spot on a vehicle's panel during an investigation?

Back

To compare the paint characteristics and determine if the damaged paint matches the vehicle.

Front

What type of fiber is cotton classified as?

Back

Natural fiber.

Front

In hair analysis, what does the medulla refer to?

Back

The central core of a hair strand, which can vary in appearance and pattern.

Front

What are the different types of medulla patterns found in hair?

Back

Types include continuous, interrupted, fragmented, and absent.

Front

How do you calculate the probability of two independent events occurring together?

Back

Multiply the probabilities of each event.

Front

If 20% of the population has brown hair and 8% has blue eyes, what is the probability of a person having both traits?

Back

1.6%.

Front

What is the significance of hair and fiber evidence in forensic investigations?

Back

It can link a suspect to a crime scene or victim.

Front

What is the difference between natural and synthetic fibers?

Back

Natural fibers are derived from plants or animals, while synthetic fibers are man-made from chemical processes.

Front

What is a fragmented medulla pattern?

Back

A medulla pattern where the medulla is broken into segments.

Front

Why is it important to collect evidence from multiple locations at a crime scene?

Back

To ensure a comprehensive analysis and increase the chances of finding relevant evidence.