Part 1 Review fibers in forensics

Front

Textile

Back

A flexible, flat material made by interlacing yarns (threads).

Front

Locard’s Principle

Back

Fibers often fall off and are picked up during normal activities.

Front

Fiber evaluation can reveal important details

Back

It can show the type of fiber, its color, the possibility of violence, location of suspects, and point of origin.

Front

Direct Transfer

Back

Fibers transferred directly from victim to suspect or vice versa

Front

Example of Direct Transfer

Back

A jacket fiber from a suspect is transferred to the body of a victim

Front

Natural fibers

Back

Derived from animals, plants, and minerals

Front

Monomers

Back

Small molecules that join together to form polymers

Front

Dissolution of plant fibers.

Back

Plant fibers can only be dissolved by strong acids.

Front

Plant fibers at crime scenes.

Back

Plant fibers can be common at crime scenes because they become brittle over time.

Front

Animal fiber from rabbits

Back

Angora