Natural Fibers can be harvested from
Plants, Animals and Minerals
The shiny nature of silk can be related to
its ability to reflect light
Which of the following is NOT a characteristic of a synthetic fiber?
They are produced by plants, animals & other organisms
If you sit your friend's couch and your clothes pick up hair left by your friend's dog this is
secondary transfer
Which trait would indicate that a fiber found at a crime scene is a human hair and not cloth?
a medullary index of 0.33 or less
Fibers are considered to be what type of evidence?
circumstantial
What is a fiber?
Smallest unit of a textile material
What is a primary (direct) transfer?
When a victim rips off part of the suspect's sleeve
Do all fabrics have a similar chance of being transferred?
No
What are the most common artificial fibers?
Nylon and Polyester
Is the frequency of production of fabrics relevant to forensics?
Yes
Fiber evidence is gathered with all of the following:
special vacuums, sticky tape, and forceps
A flexible, flat material made by interlacing yarns (or "threads").
textile
Basket Weave Pattern
Alternating pattern of two weft threads crossing two warp threads