1. Fibers Nature of Fiber Evidence Collection and Packaging
Laboratory Examination

2. Fibers Fibers are among the most common type of trace evidence.
Fibers are often transferred to clothing, shoes, and other physical evidence when an individual or object comes in contact with a fabric or fiber source.

3. Nature of Fiber Evidence
Natural fibers
Plant fibers:
Mineral fibers:
Animal fibers:
Synthetic fibers
Man-made materials
Derived or regenerated fibers

4. Collection of Fibers Manual collection: Vacuum: Tape lift:
Mechanical dislodgement:

5. Packaging Fibers
Vacuum:
Druggist Fold:
Clothing:

6. Laboratory Examination
Physical match:
Microscopic examination:
Microchemical tests:
Determination of Physical Properties:
Polarized light microscopy:
Instrumental methods: