Fiber Evidence in Forensics

Front

Fiber evidence definition

Back

of textile or hair materials found at crime scenes

Front

Natural fiber example

Back

Cotton

Front

Synthetic fiber example

Back

Nylon

Front

Primary transfer

Back

fiber transfer from source to recipient

Front

Secondary transfer

Back

transfer via an intermediate object or person

Front

Microscopy in fiber analysis

Back

to examine fiber color, diameter, and structure

Front

Polarized light microscopy

Back

fiber type by optical properties

Front

Comparison microscope use

Back

analysis of questioned and known fibers

Front

Dye analysis application

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if fibers share the same dye composition

Front

Infrared spectroscopy in fiber analysis

Back

chemical structure of fibers