Module 2 Lesson 3
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Fibre evidence is often found at crime scenes where there has been…
Physical contact between the suspect and victim
What type of trace evidence would most likely be found at the scene of a hit and run collision?
Glass and paint fragments
A common area for fibre evidence to be left behind by a suspect after a break and enter is…
At the site of entry
Fibre evidence can help to prove…
Physical contact was made and the type of contact made
When should fibre evidence be collected from a crime scene?
After the site has been secured
Very little fibre evidence loss occurs when….
The victim has been found dead
The most common type of natural plant fibre is…
Cotton
Which type of natural fibre would be the most helpful in a criminal investigation?
Mohair
How does a single fibre of wool differ from a single fibre of cotton under the microscope?
Wool is coarser in diameter than cotton
The most common types of man-made fibres are
Nylon and polyester
What is examples of natural fibre evidence?
Derived from plants and animal fur, known also as organic fibres, wool, cashmere, make up denim and white cotton
What is examples of manmade fibre evidence?
Have unique manufacturer-specific shapes, acrylic, nylon, can be called synthetic fibres, found in greater than 50% of all fabrics