Fiber Forensics

the passing of evidence, such as fiber, from victim to suspect or vice versa.

• polymer

• monomer

• secondary transfer

• direct transfer

Which one of these fibers in a burn test will often shrink back away from the flame?

• Synthetic

• Animal

• Plant

Fibers are what type of evidence- Check 2 answers that apply.

• Class

• Trace

• Individual

• Classified

How can fiber evidence help in court cases?

• Helps to link the victim to the crime scene

• Helps to link connect the suspect to the crime scene and or victim.

• It is not very helpful in court because it is only trace evidence.

• Most courts don't accept fiber analysis as evidence.

Scientists use this test to analyze the dyes in fabric evidence:

• Stain test

• Solvent test

• Infrared Spectroscopy

• Chromatography

Fibers are considered what kind of evidence? 

• Individual

• Class

• Direct

• Indirect

When fibers are transferred directly from victim to suspect or suspect to victim, this is called:

• necessary transfer.

• direct transfer

• absolute transfer.

• None of these choices.

secondary transfer

• The transfer of evidence such as a fiber from a source (such as a carpet) to a person (suspect), and then to another person (victim)

• the passing of evidence, such as fiber, from victim to suspect or vice versa

• things like clothing, carpets, and upholstery

• fibers that have been spun together

What is the primary purpose of fiber analysis in forensic science?

• To determine the color of the fiber

• To identify the type of fiber

• To link a suspect to a crime scene

• To measure the length of the fiber

Which type of fiber is most likely to be used as evidence in a forensic investigation?

• Cotton

• Wool

• Nylon

• Polyester