Only Your Hairdresser Knows For Sure:. A Lesson on Hair Identification.
A Lesson on Hair Identification
Hair recovered at a crime scene can be valuable to forensic scientists. Therefore, crime scene technicians collect any hairs that they find and send them to the lab for analysis. Forensic scientists are familiar with hair structure and chemistry.
Forensic scientists determine the MEDULLARY INDEX of a hair by determining the diameter of the MEDULLA relative to diameter of the HAIR (expressed as a fraction)